A) \[{{v}_{3}}=\frac{1}{2}({{v}_{1}}-{{v}_{3}})\] done clear
B) \[{{v}_{2}}-{{v}_{1}}={{v}_{3}}\] done clear
C) \[{{v}_{1}}-{{v}_{2}}={{v}_{3}}\] done clear
D) \[{{v}_{1}}+{{v}_{2}}={{v}_{3}}\] done clear
View Answer play_arrowquestion_answer2) Number of \[\alpha -H\] in alkene which is major product in this reaction is-
A) 2 done clear
B) 4 done clear
C) 5 done clear
D) 7 done clear
View Answer play_arrowA) 1 done clear
B) 2 done clear
C) 4 done clear
D) 3 done clear
View Answer play_arrowA) Borax done clear
B) Alum done clear
C) Microcosmic salt done clear
D) None done clear
View Answer play_arrowA) \[7.14\] done clear
B) \[14.28\] done clear
C) \[28.57\] done clear
D) \[33.33\] done clear
View Answer play_arrowquestion_answer6) Choose the correct option for
A) I and II are identical done clear
B) I and II are different done clear
C) Mechanism of formation of I and II are not known done clear
D) None of these done clear
View Answer play_arrowA) \[PbS{{O}_{4}}\] done clear
B) \[PbSi{{O}_{3}}\] done clear
C) Both [a] and [b] done clear
D) \[CaSi{{O}_{3}}\] done clear
View Answer play_arrowquestion_answer8) Polymer obtained by reaction of phenol and formaldehyde is
A) Bakellite done clear
B) Terylene done clear
C) Nylon-66 done clear
D) Urea formaldehyde resin done clear
View Answer play_arrowA) \[4.32\times {{10}^{-18}}\] done clear
B) \[1.8\times {{10}^{-9}}\] done clear
C) \[8.64\times {{10}^{-13}}\] done clear
D) None of these done clear
View Answer play_arrowquestion_answer10) Which statement is incorrect regarding thermite process -
A) 3 part metal oxide\[+1\] part \[Al\] is taken as thermite mixture done clear
B) Ignition mixture (\[Mg\] powder \[+Ba{{O}_{2}}\]) acts as catalyst done clear
C) Metals \[(Fe,Cr)\] are obtained in vapour form done clear
D) Reaction is exothermic due to highly \[+ve\]enthalpy of formation of \[A{{l}_{2}}{{O}_{3}}\] done clear
View Answer play_arrowquestion_answer11) Which of the following option is having maximum number of unpaired electrons -
A) A tetrahedral \[{{d}^{6}}\] ion done clear
B) \[{{[Co{{({{H}_{2}}O)}_{6}}]}^{3+}}\] done clear
C) A square planar \[{{d}^{7}}\] ion done clear
D) A co-ordination compound with magnetic moment of \[5.92\text{ }B.M.\] done clear
View Answer play_arrowA) \[1.1\times {{10}^{-9}}\] done clear
B) \[1.1\times {{10}^{-10}}\] done clear
C) \[1.1\times {{10}^{-11}}\] done clear
D) \[{{10}^{-12}}\] done clear
View Answer play_arrowA) \[SiC\] done clear
B) \[B{{e}_{2}}C\] done clear
C) \[Ca{{C}_{2}}\] done clear
D) \[M{{g}_{2}}{{C}_{3}}\] done clear
View Answer play_arrowquestion_answer14) Phenol and benzoic acid is separated by-
A) \[NaHC{{O}_{3}}\] done clear
B) \[NaOH\] done clear
C) \[Na\] done clear
D) \[NaN{{H}_{2}}\] done clear
View Answer play_arrowA) \[-2\,RT\,\] In X done clear
B) \[-2\,RT\,\] In (X- In 2) done clear
C) \[-2\,RT\,\] (In X- In 2) done clear
D) None of these done clear
View Answer play_arrowA) \[CdS\] done clear
B) \[Sn{{S}_{2}}\] done clear
C) \[C{{d}^{2+}}\] done clear
D) \[S{{n}^{2+}}\] done clear
View Answer play_arrowA) 20 done clear
B) 5 done clear
C) 10 done clear
D) 8 done clear
View Answer play_arrowA) \[{{10}^{-4}}\] done clear
B) \[2\times {{10}^{-4}}\] done clear
C) \[4\times {{10}^{-4}}\] done clear
D) \[8\times {{10}^{-4}}\] done clear
View Answer play_arrowA) \[Zn+dil.\,{{H}_{2}}S{{O}_{4}}\] done clear
B) \[Al+Conc.\,NaOH\] done clear
C) \[Al+dil.\,\,HCl\] done clear
D) None of these done clear
View Answer play_arrowA) done clear
B) done clear
C) done clear
D) done clear
View Answer play_arrowStatement 1: \[{{[HeH]}^{+}}\] is more stable as compared to \[{{H}_{2}}^{+}\]. |
Statement 2: Both the above species are having equal bond order. |
A) Statement-1 is false, Statement-2 is true. done clear
B) Statement-1 is true, statement-2 is true and statement-2 is correct explanation for statement-1 done clear
C) Statement-1 is true,statement-2 is true and Statement-2 is NOT correct explanation for statement-1 done clear
D) Statement-1 is true, Statement-2 is false. done clear
View Answer play_arrowA) \[0.072M\,{{\min }^{-1}}\] done clear
B) \[0.036M\,{{\min }^{-1}}\] done clear
C) \[0.1296M\,{{\min }^{-1}}\] done clear
D) \[1M\,{{\min }^{-1}}\] done clear
View Answer play_arrowA) \[{{O}_{2}}\] done clear
B) \[{{N}_{2}}\] done clear
C) \[N{{O}_{2}}\] done clear
D) \[{{N}_{2}}O\] done clear
View Answer play_arrowquestion_answer24) Choose the correct order of T (True) and F (False)
(1) When the pH of rain water is below 3.6, it is called acid rain. |
(2) Ozone hole occurs over Antarctica mainly during September-October and it gets replenished in November-December. |
(3) Methyl cyclohexane is an ozone-depleting molecule. |
(4) COD is always larger than BOD. |
A) TTTF done clear
B) FTFT done clear
C) FFFF done clear
D) FTTT done clear
View Answer play_arrowquestion_answer25) End product of above reaction is -
A) done clear
B) done clear
C) done clear
D) done clear
View Answer play_arrowA) The concentration of sodium thiosulphate solution should always be less than the concentration of the potassium iodide solution. done clear
B) Freshly prepared starch solution should be used done clear
C) Experiments should be performed with the fresh solutions of \[{{H}_{2}}{{O}_{2}}\] and \[KI\]. done clear
D) All of these done clear
View Answer play_arrow(1) \[SeO_{3}^{2-}+BrO_{3}^{-}+{{H}^{+}}\to SeO_{4}^{2-}+B{{r}_{2}}+{{H}_{2}}O\] |
(2) \[BrO_{3}^{-}+AsO_{2}^{-}+{{H}_{2}}O\to B{{r}^{-}}+AsO_{4}^{3-}+{{H}^{+}}\] |
A) \[1.6\times {{10}^{-3}}\] done clear
B) \[1.25\] done clear
C) \[2.5\] done clear
D) None of these done clear
View Answer play_arrowA) \[600\,K\] done clear
B) \[300\,K\] done clear
C) \[1200\,K\] done clear
D) \[1000\,K\] done clear
View Answer play_arrowquestion_answer29) In the given molecule choose the correct order of their angle.
A) \[x>y>z\] done clear
B) \[x<y<z\] done clear
C) \[x=y>z\] done clear
D) Can't be predicted done clear
View Answer play_arrowA) \[1.285V~\] done clear
B) \[1.193\,V\] done clear
C) \[1.187\,V\] done clear
D) None of these done clear
View Answer play_arrowA) yellow ray travels without deviation done clear
B) blue ray is deviated towards the vertex done clear
C) red ray is deviated towards the base done clear
D) there is no dispersion done clear
View Answer play_arrowA) \[{{v}_{1}}=2{{v}_{2}}\] done clear
B) \[{{v}_{1}}>{{v}_{2}}\] done clear
C) \[{{v}_{1}}<{{v}_{2}}\] done clear
D) \[{{v}_{1}}\] and \[{{v}_{2}}\] does not depend on the nature of the liquid taken in the tube. done clear
View Answer play_arrowquestion_answer33) In making an Ohm's law circuit, which of the following connection is correct?
A) Voltmeter in series and ammeter in parallel done clear
B) Voltmeter in parallel and ammeter in series. done clear
C) Voltmeter and ammeter both are in parallel done clear
D) Voltmeter and ammeter both are in series. done clear
View Answer play_arrowA) Balancing length doesn't depend on the total length of the wire. done clear
B) Both A and B will give same balancing length done clear
C) Potentiometer B done clear
D) Potentiometer A done clear
View Answer play_arrowA) The reading of the weighing machine placed below the vessel can be \[({{m}_{1}}+{{m}_{2}})g\] done clear
B) The reading of the weighing machine placed below the vessel can be greater than \[({{m}_{1}}+{{m}_{2}})g\] done clear
C) The reading of the weighing machine placed below the vessel can be \[({{m}_{1}}g+{{m}_{2}}g-T)\] done clear
D) The reading of the weighing machine placed below the vessel can be less than \[({{m}_{1}}+{{m}_{2}})g\] done clear
View Answer play_arrowA) The magnitude of angular momentum of the particle about O is increasing done clear
B) The magnitude of torque of the gravitational force on the particle about O is decreasing done clear
C) The moment of inertia of the particle about O is decreasing done clear
D) The magnitude of angular velocity of the particle about O is increasing done clear
View Answer play_arrowA) \[R>{{R}_{1}}\] done clear
B) \[{{R}_{1}}>R>{{R}_{2}}\] done clear
C) \[R<{{R}_{2}}\] done clear
D) \[R={{R}_{1}}\] done clear
View Answer play_arrowA) A is correct, B is wrong done clear
B) B is correct, A is wrong done clear
C) Both are correct done clear
D) Both are wrong done clear
View Answer play_arrowA) Ray I \[\to \]Red done clear
B) Ray II \[\to \]Yellow done clear
C) Ray IV \[\to \]Blue done clear
D) All of these done clear
View Answer play_arrow(I) | (II) | (III) |
(IV) | (V) | (VI) |
A) II, IV and V done clear
B) I, III, VI done clear
C) I, II, V done clear
D) II, III, VI done clear
View Answer play_arrowA) radiation done clear
B) conduction done clear
C) convection done clear
D) both conduction and convection. done clear
View Answer play_arrowA) The area of wire goes on decreasing and wire extends and breaks. done clear
B) The area of wire goes on decreasing and wire breaks. done clear
C) The wire extends and area remains constant. done clear
D) The area remains same and wire length is also same. done clear
View Answer play_arrowA) \[\otimes \] (into the page) done clear
B) \[\xrightarrow{{}}\] done clear
C) \[\xleftarrow{{}}\] done clear
D) \[\odot \] (out of the page) done clear
View Answer play_arrowA) I is increasing and Q is increasing done clear
B) I is increasing and Q is decreasing done clear
C) I is decreasing and Q is increasing done clear
D) I is decreasing and Q is decreasing done clear
View Answer play_arrowA) closer to the eye than its actual position done clear
B) same as its actual position done clear
C) farther away from the eye than its actual position done clear
D) at infinity done clear
View Answer play_arrowA) done clear
B) done clear
C) done clear
D) done clear
View Answer play_arrowDIRECTIONS: Each of these questions contains two statements: Statement -1 (Assertion) and Statement - 2 (Reason). Choose the correct answer (ONLY ONE option is correct) from the following- |
This question contains Statement-1 and Statement-2. Of the four choices given after the statements, choose the one that best describes the two statements. |
Statement-1: Two stones are projected with different velocities from ground from same point and at same instant of time. Then these stones cannot collide in midair. (Neglect air friction) |
Statement 2: If relative acceleration of two particles initially at same position is always zero, then the distance between the particle either remains constant or increases continuously with time. |
A) Statement -1 is false, Statement -2 is true. done clear
B) Statement - 1 is true, Statement -2 is true; Statement -2 is a correct explanation for Statement -1 done clear
C) Statement - 1 is true, Statement -2 is true; Statement -2 is not a correct explanation for Statement -1 done clear
D) Statement -1 is true, Statement - 2 is false done clear
View Answer play_arrowDIRECTIONS: Each of these questions contains two statements: Statement -1 (Assertion) and Statement - 2 (Reason). Choose the correct answer (ONLY ONE option is correct) from the following- |
This question contains Statement-1 and Statement-2. Of the m four choices given after the statements, choose the one that It best describes the two statements. |
The electrostatic potential on the surface of a charged solid conducting sphere is 100 volts. Two statements are made in this regard. |
Statement 1: At any point inside the sphere, electrostatic potential is 100 volt. |
Statement 2: At any point inside the sphere, electric field is zero. |
A) Statement -1 is false, Statement -2 is true. done clear
B) Statement - 1 is true, Statement -2 is true; Statement -2 is a correct explanation for Statement -1 done clear
C) Statement - 1 is true, Statement -2 is true; Statement -2 is not correct explanation for Statement -1 done clear
D) Statement -1 is true, Statement - 2 is false done clear
View Answer play_arrowDIRECTIONS: Each of these questions contains two statements: Statement -1 (Assertion) and Statement - 2 (Reason). Choose the correct answer (ONLY ONE option is correct) from the following- |
Statement 1: When two conducting wires of different resistivity having same cross sectional area are joined in series, the electric field in them would be equal when they carry current. |
Statement 2: When wires are in series they carry equal current. |
A) Statement -1 is false, Statement -2 is true. done clear
B) Statement - 1 is true, Statement -2 is true; Statement -2 is a correct explanation for Statement -1 done clear
C) Statement - 1 is true, Statement -2 is true; Statement -2 is not correct explanation for Statement -1 done clear
D) Statement -1 is true, Statement - 2 is false done clear
View Answer play_arrowA) \[6.25A,\,\,3.75V\] done clear
B) \[3.00A,\,5V\] done clear
C) \[3.75A,\,3.75V\] done clear
D) \[6.25A,6.25V\] done clear
View Answer play_arrowA) \[4.8\times {{10}^{8}}\] done clear
B) \[48\] done clear
C) \[6.2\times {{10}^{8}}\] done clear
D) \[4.8\times {{10}^{5}}\] done clear
View Answer play_arrowDIRECTIONS: Read the following passage and answer the questions that follows: |
A monoatomic ideal gas is filled in a no conducting container. The gas can be compressed by a movable no conducting piston. The gas is compressed slowly to 12.5% of its initial volume. |
A) \[4{{T}_{0}}\] done clear
B) \[3{{T}_{0}}\] done clear
C) \[2/3{{T}_{0}}\] done clear
D) \[{{T}_{0}}\] done clear
View Answer play_arrowDIRECTIONS: Read the following passage and answer the questions that follows: |
A monoatomic ideal gas is filled in a no conducting container. The gas can be compressed by a movable no conducting piston. The gas is compressed slowly to 12.5% of its initial volume. |
A) \[32{{B}_{i}}={{B}_{f}}\] done clear
B) \[{{B}_{i}}={{B}_{f}}\] done clear
C) \[{{B}_{i}}=32{{B}_{f}}\] done clear
D) \[{{B}_{i}}=4{{B}_{f}}\] done clear
View Answer play_arrowDIRECTIONS: Read the following passage and answer the questions that follows: |
A monoatomic ideal gas is filled in a no conducting container. The gas can be compressed by a movable no conducting piston. The gas is compressed slowly to 12.5% of its initial volume. |
A) \[1\] done clear
B) \[-1\] done clear
C) \[\infty \] done clear
D) \[0\] done clear
View Answer play_arrowA) \[y=0.1\cos \left( 6t+\frac{\pi }{4} \right)\] done clear
B) \[y=0.1sin\left( 6t+\frac{\pi }{4} \right)\] done clear
C) \[y=0.4sin\left( t+\frac{\pi }{4} \right)\] done clear
D) \[y=0.2sin\left( \frac{\pi }{4}+2t \right)\] done clear
View Answer play_arrowA) \[{{n}_{0}}\Delta \ell /\ell \] done clear
B) \[8{{n}_{0}}\Delta \ell /\ell \] done clear
C) \[2{{n}_{0}}\Delta \ell /\ell \] done clear
D) \[{{n}_{0}}\Delta \ell /2\ell \] done clear
View Answer play_arrowA)
Induced current | Force on left side | Force on right side |
Counterclockwise | To the left | To the right |
B)
Induced current | Force on left side | Force on right side |
Counterclockwise | To the left | To the right |
C)
Induced current | Force on left side | Force on right side |
Clockwise | To the left | To the right |
D)
Induced current | Force on left side | Force on right side |
Clockwise | To the left | To the right |
A) \[\frac{mg}{2}\] done clear
B) \[\frac{\sqrt{3}}{4}mg\] done clear
C) \[mg\] done clear
D) \[0\] done clear
View Answer play_arrowA) \[{{V}_{L}}=12V,\] point A is at the higher potential done clear
B) \[{{V}_{L}}=12V,\] point B is at the higher potential done clear
C) \[{{V}_{L}}=6V,\] point A is at the higher potential done clear
D) \[{{V}_{L}}=12V,\] point B is at the higher potential done clear
View Answer play_arrowA) \[\frac{Q}{16{{\varepsilon }_{0}}}\] done clear
B) \[\frac{Q}{4{{\varepsilon }_{0}}}\] done clear
C) \[\frac{Q}{8{{\varepsilon }_{0}}}\] done clear
D) None of these done clear
View Answer play_arrowA) \[x+7y=0\] done clear
B) \[x-y=0\] done clear
C) \[x-7y=0\] done clear
D) Both [a] and [b] done clear
View Answer play_arrowquestion_answer62) Let And then incorrect about the matrix\[{{(PQ)}^{-1}}\]-
A) nilpotent done clear
B) idempotent done clear
C) involutory done clear
D) symmetric done clear
View Answer play_arrowquestion_answer63) The equation \[\sin x+x\cos x=0\] has at least one root in -
A) \[\left( -\frac{\pi }{2},\,\,0 \right)\] done clear
B) \[(0,\,\,\pi )\] done clear
C) \[\left( \pi ,\,\,\frac{3\pi }{2} \right)\] done clear
D) \[\left( 0,\,\,\frac{\pi }{2} \right)\] done clear
View Answer play_arrowquestion_answer64) The area enclosed by the parabola \[{{y}^{2}}=12x\] and its latus rectum is -
A) \[36\] done clear
B) \[24\] done clear
C) \[18\] done clear
D) \[12\] done clear
View Answer play_arrowA) \[9.7!\] done clear
B) \[8!\] done clear
C) \[5!.4!\] done clear
D) \[8!.4!\] done clear
View Answer play_arrowA) \[4[{{\alpha }^{3}}+f({{\alpha }^{4}})-{{\beta }^{3}}f(4)]\] done clear
B) \[4[{{\alpha }^{3}}f({{\alpha }^{4}})+{{\beta }^{3}}f({{\beta }^{4}})]\] done clear
C) \[4[{{\alpha }^{4}}f({{\alpha }^{3}})+{{\beta }^{4}}f({{\beta }^{3}})]\] done clear
D) \[4[{{\alpha }^{2}}f({{\alpha }^{2}})+{{\beta }^{2}}f({{\beta }^{2}})]\] done clear
View Answer play_arrowA) \[uv+vw+wu=0\] done clear
B) \[uv+vw+wu=3\] done clear
C) \[uv+vw+wu=2\] done clear
D) \[uv+ww+wu=1\] done clear
View Answer play_arrowA) \[1\] done clear
B) \[5\] done clear
C) \[10\] done clear
D) Both [a] and [c] done clear
View Answer play_arrowA) \[{{a}^{2}}+{{c}^{2}}=0\] done clear
B) \[{{a}^{2}}+ac+bd+{{d}^{2}}=0\] done clear
C) \[{{a}^{2}}{{c}^{2}}+bd+{{d}^{2}}=0\] done clear
D) None of these done clear
View Answer play_arrowA) \[\cos 2n\theta \] done clear
B) \[\sin 2n\theta \] done clear
C) \[0\] done clear
D) some real number greater than 0 done clear
View Answer play_arrowquestion_answer71) Evaluate\[\int{\frac{8}{(x+2)({{x}^{2}}+4)}dx}\]
A) \[\log |x+2|-\frac{1}{2}\log ({{x}^{2}}+4)+{{\tan }^{-1}}\frac{x}{2}+C\] done clear
B) \[\log |x+2|-\frac{1}{2}\log ({{x}^{2}}+4)+{{\sin }^{-1}}\frac{x}{2}+C\] done clear
C) \[\log |x+2|-\frac{1}{2}\log ({{x}^{2}}+4)+{{\cos }^{-1}}\frac{x}{2}+C\] done clear
D) \[\log |x+2|-\frac{1}{2}\log ({{x}^{3}}+4){{\tan }^{-1}}\frac{x}{2}+C\] done clear
View Answer play_arrowA) \[\frac{4\sqrt{6}}{9}\] done clear
B) \[\frac{32\sqrt{6}}{9}\] done clear
C) \[\frac{16\sqrt{6}}{9}\] done clear
D) None of these done clear
View Answer play_arrowA) \[343\] done clear
B) \[512\] done clear
C) \[221\] done clear
D) \[243\] done clear
View Answer play_arrowA) \[2\tan \frac{3\pi }{8}\] done clear
B) \[2\tan \frac{\pi }{4}\] done clear
C) \[2\tan \frac{\pi }{8}\] done clear
D) \[0\] done clear
View Answer play_arrowA) \[3\sqrt{3}\] done clear
B) \[2\sqrt{3}\] done clear
C) \[9\sqrt{3}\] done clear
D) \[6\sqrt{3}\] done clear
View Answer play_arrowA) \[9x+10y-7=0\] done clear
B) \[x-y+2=0\] done clear
C) \[9x-10y+11=0\] done clear
D) \[9x+10y+7=0\] done clear
View Answer play_arrowA) \[3\] done clear
B) \[1\] done clear
C) \[2\] done clear
D) \[3/2\] done clear
View Answer play_arrowA) \[{{x}^{2}}+2{{y}^{2}}-ax=0\] done clear
B) \[2{{x}^{2}}+{{y}^{2}}-2ax=0\] done clear
C) \[2{{x}^{2}}+2{{y}^{2}}-ay=0\] done clear
D) \[2{{x}^{2}}+{{y}^{2}}-2ay=0\] done clear
View Answer play_arrowA) \[\frac{48}{91}\] done clear
B) \[\frac{33}{91}\] done clear
C) \[\frac{88}{91}\] done clear
D) \[\frac{24}{91}\] done clear
View Answer play_arrowDIRECTION: Each of these questions contains two statements: Statement-1 (Assertion) and Statement-2 (Reason). Choose the correct answer (ONLY ONE option is correct) from the following- |
Statement-1: If\[a,\,\,b,\,\,c\]are noncomplex and\[\alpha ,\,\,\beta \] are the roots of the equation\[a{{x}^{2}}+bx+c=0\] then\[\operatorname{Im}(\alpha \beta )\ne 0\]. |
Statement-2: A quadratic equation with non-real complex coefficient do not have root which are conjugate of other. |
A) Statement-1 is false, Statement-2 is true. done clear
B) Statement-1 is true, Statement-2 is true; Statement-2 is a correct explanation for Statement-1. done clear
C) Statement-1 is true, Statement-2 is true; Statement-2 is not a correct explanation for Statement-1. done clear
D) Statement-1 is true, Statement-2 is false. done clear
View Answer play_arrowDIRECTION: Each of these questions contains two statements: Statement-1 (Assertion) and Statement-2 (Reason). Choose the correct answer (ONLY ONE option is correct) from the following- |
Statement-1: The line\[\frac{x}{a}+\frac{y}{b}=1\]touches the curve\[y=b{{e}^{-x/a}}\]at some point\[x={{x}_{0}}\] because |
Statement-2: \[\frac{dy}{dx}\]exists at\[x={{x}_{0}}\]. |
A) Statement-1 is false, Statement-2 is true. done clear
B) Statement-1 is true, Statement-2 is true; Statement-2 is a correct explanation for Statement-1. done clear
C) Statement-1 is true, Statement-2 is true; Statement-2 is not a correct explanation for Statement-1. done clear
D) Statement-1 is true, Statement-2 is false. done clear
View Answer play_arrowDIRECTION: Each of these questions contains two statements: Statement-1 (Assertion) and Statement-2 (Reason). Choose the correct answer (ONLY ONE option is correct) from the following- |
Let \[C\] be a circle with centre \[O\] and \[HK\] is the chord of contact of pair of the tangents from points \[A\]. \[OA\] intersects the circle \[C\] at \[P\] and \[Q\] and \[B\] is the midpoint of \[HK\], then |
Statement-1: \[AB\] is the harmonic mean of \[AP\] and \[A\] because |
Statement-2: \[AK\] is the Geometric mean of \[AB\] and\[AO,\,\,\,OA\] is the arithmetic mean of \[AP\] and \[A\] |
A) Statement-1 is false, Statement-2 is true. done clear
B) Statement-1 is true, Statement-2 is true; Statement-2 is a correct explanation for Statement-1. done clear
C) Statement-1 is true, Statement-2 is true; Statement-2 is not a correct explanation for Statement-1. done clear
D) Statement-1 is true, Statement-2 is false. done clear
View Answer play_arrowDIRECTION: Each of these questions contains two statements: Statement-1 (Assertion) and Statement-2 (Reason). Choose the correct answer (ONLY ONE option is correct) from the following- |
Statement-1: The statement \[(p\vee q)\wedge \tilde{\ }p\]and\[\tilde{\ }p\wedge q\]are logically equivalent. |
Statement-2: The end columns of the truth table of both statements are identical. |
A) Statement-1 is false, Statement-2 is true. done clear
B) Statement-1 is true, Statement-2 is true; Statement-2 is a correct explanation for Statement-1. done clear
C) Statement-1 is true, Statement-2 is true; Statement-2 is not a correct explanation for Statement-1. done clear
D) Statement-1 is true, Statement-2 is false. done clear
View Answer play_arrowDIRECTION: Each of these questions contains two statements: Statement-1 (Assertion) and Statement-2 (Reason). Choose the correct answer (ONLY ONE option is correct) from the following- |
Statements-1: Period of \[f(x)=\sin 4\pi \{x\}\]\[+\tan \pi [x]\], where,\[[x]\And \{x\}\] denote the \[G.I.F.\] & fractional part respectively is \[1\]. |
Statements-2: A function is said to be periodic if there exist a positive number \[T\] independent of \[x\] such that \[f(T+x)=f(x)\]. The smallest such positive value of \[T\] is called the period or fundamental period. |
A) Statement-1 is false, Statement-2 is true. done clear
B) Statement-1 is true, Statement-2 is true; Statement-2 is a correct explanation for Statement-1. done clear
C) Statement-1 is true, Statement-2 is true; Statement-2 is not a correct explanation for Statement-1. done clear
D) Statement-1 is true, Statement-2 is false. done clear
View Answer play_arrowA) \[\frac{n({{n}^{2}}-2)}{3}\] done clear
B) \[\frac{n({{n}^{2}}+2)}{3}\] done clear
C) \[\frac{n({{n}^{2}}-1)}{3}\] done clear
D) None of these done clear
View Answer play_arrowA) \[e\] done clear
B) \[1/e\] done clear
C) \[1/{{e}^{2}}\] done clear
D) \[{{e}^{2}}\] done clear
View Answer play_arrowA) \[0.99%\] done clear
B) \[25%\] done clear
C) \[50%\] done clear
D) \[75%\] done clear
View Answer play_arrowA) \[(-\infty ,\,\,-\sqrt{3})\cup (\sqrt{3},\,\,\infty )-\{-2,\,\,2\}\] done clear
B) \[[-\sqrt{3},\,\,-\sqrt{3}]-\{-2,\,\,2\}\] done clear
C) \[(-\infty ,\,\,-1)\cup (1,\,\,\infty )-\{-2,\,\,2\}\] done clear
D) \[\left\{ -\sqrt{3},\,\,\sqrt{3} \right\}\] done clear
View Answer play_arrowA) \[{{T}_{r}}(kA)=k{{T}_{r}}(A)\]\[(k\]is a scalar) done clear
B) \[{{T}_{r}}(A+B)={{T}_{r}}(A)+{{T}_{r}}(B)\] done clear
C) \[{{T}_{r}}({{I}_{3}})=A\] done clear
D) \[{{T}_{r}}({{A}^{2}})={{T}_{r}}{{(A)}^{2}}\] done clear
View Answer play_arrowA) \[1/2\] done clear
B) \[1\] done clear
C) \[4/3\] done clear
D) \[3/2\] done clear
View Answer play_arrowYou need to login to perform this action.
You will be redirected in
3 sec