A) Collector-base junction as well as emitter- base junction both are forward biased done clear
B) Collector-base junction as well as emitter- base junction both are reverse biased done clear
C) Collector-base junction is forward biased and emitter-base junction is reverse biased done clear
D) Col lector-base junction is reverse-biased and emitter-base junction is forward biased done clear
View Answer play_arrowA) OR done clear
B) NAND done clear
C) AND done clear
D) NOR done clear
View Answer play_arrowA) 769 W done clear
B) 796 W done clear
C) 679 W done clear
D) 637.5 W done clear
View Answer play_arrowA) done clear
B) done clear
C) done clear
D) done clear
View Answer play_arrowA) done clear
B) done clear
C) done clear
D) done clear
View Answer play_arrowA) 1 done clear
B) 2 M done clear
C) \[\frac{\text{M}}{\text{2}}\] done clear
D) \[\frac{\text{M}}{4}\] done clear
View Answer play_arrowA) \[\sqrt{\frac{g}{2R}}\] done clear
B) \[\sqrt{\frac{g}{R}}\] done clear
C) \[\sqrt{\frac{R}{g}}\] done clear
D) \[\sqrt{\frac{2g}{R}}\] done clear
View Answer play_arrowA) \[\mu >\frac{1}{2\sqrt{3}}\] done clear
B) \[\mu <\frac{1}{2\sqrt{3}}\] done clear
C) \[\mu >\frac{\sqrt{3}}{2}\] done clear
D) \[\mu <\frac{\sqrt{3}}{2}\] done clear
View Answer play_arrowA) 5 m done clear
B) 10 m done clear
C) 15 m done clear
D) 20 m done clear
View Answer play_arrowA) 2 done clear
B) \[\frac{1}{2}\] done clear
C) 4 done clear
D) \[\frac{1}{4}\] done clear
View Answer play_arrowA) 0.34 done clear
B) 0.255 done clear
C) 0.085 done clear
D) All of these done clear
View Answer play_arrowA) \[\frac{1}{9}\] done clear
B) \[\frac{1}{8}\] done clear
C) \[\frac{1}{6}\] done clear
D) \[\frac{1}{5}\] done clear
View Answer play_arrowA) \[{{K}_{1}}>{{K}_{2}}\] done clear
B) \[{{K}_{1}}={{K}_{2}}\] done clear
C) \[{{K}_{1}}<{{K}_{2}}\] done clear
D) None of these done clear
View Answer play_arrowA) Both particles will have same momentum done clear
B) Both particles will have same K.E. done clear
C) Both particles will have same speed done clear
D) Both particles will cover same distance done clear
View Answer play_arrowA) \[\frac{11{{R}^{2}}\rho }{24{{\varepsilon }_{0}}}\] done clear
B) \[\frac{5}{12}\frac{{{R}^{2}}\rho }{{{\varepsilon }_{0}}}\] done clear
C) \[\frac{7\rho {{R}^{2}}}{12{{\varepsilon }_{0}}}\] done clear
D) \[\frac{3}{2}\frac{{{R}^{2}}\rho }{{{\varepsilon }_{0}}}\] done clear
View Answer play_arrowA) done clear
B) done clear
C) done clear
D) done clear
View Answer play_arrowA) \[\text{q}\,\text{=}\,\text{C}\,\text{(V}\,\text{+}\,\text{2}\,\text{V}{{\text{e}}^{\text{-t/RC}}}\text{)}\] done clear
B) \[\text{q}\,\text{=}\,\text{C}\,\text{(V}\,-\,\text{2}\,\text{V}{{\text{e}}^{\text{-t/RC}}}\text{)}\] done clear
C) \[\text{q}\,\text{=}\,\text{C}\,\text{(V}\,+\,\text{2}\,\text{V}{{\text{e}}^{\text{-t/2RC}}}\text{)}\] done clear
D) \[\text{q}\,\text{=}\,\text{C}\,\text{(V}\,+\,\text{2}\,\text{V}{{\text{e}}^{\text{-2t/RC}}}\text{)}\] done clear
View Answer play_arrowquestion_answer18) Current in above question will be given by equation
A) \[I=\frac{2V}{R}{{e}^{-t\text{/}RC}}\] done clear
B) \[I=\frac{V}{R}{{e}^{-t\text{/}RC}}\] done clear
C) \[I=\frac{V}{R}{{e}^{-t\text{/2}RC}}\] done clear
D) \[I=\frac{3V}{R}{{e}^{-t\text{/2}RC}}\] done clear
View Answer play_arrowquestion_answer19) In a certain region of space, electric and magnetic fields are crossed:
A) A charged particle moves unelected in the region only if\[\vec{v}\]is perpendicular to both\[\vec{E}\]and\[\vec{B}\] done clear
B) A charged particle must move unelected in the region, if\[\vec{v}\]is perpendicular to both\[\vec{E}\]and\[\vec{B}\] done clear
C) If a positron moves undefeated if its velocity is\[\vec{v}\], an electron will move unselected its velocity is\[\vec{v}\] done clear
D) A charged particle may move undefeated even if it is not moving with\[\vec{v}\]perpendicular to\[\vec{B}\] done clear
View Answer play_arrowA) \[\frac{{{B}_{0}}\ell v}{R},\] clockwise done clear
B) \[\frac{{{B}_{0}}\ell v}{R},\]anticlockwise done clear
C) \[\frac{3{{B}_{0}}\ell v}{R},\]clockwise done clear
D) \[\frac{3{{B}_{0}}\ell v}{R},\] anticlockwise done clear
View Answer play_arrowA) \[R=10\,\Omega ,L=10\,mH\] done clear
B) \[R=10\,\Omega ,L=1000\,\mu F\] done clear
C) \[R=10\,\Omega ,C=1000\,\mu F\] done clear
D) \[R=10\,\Omega ,L=100\,mH\] done clear
View Answer play_arrowA) 120 nm done clear
B) 100 nm done clear
C) 110 nm done clear
D) 90 nm done clear
View Answer play_arrowStatement-1: Low frequency waves are transmitted via ground waves. |
Statement-2: When a wave has high wavelength, it undergoes more diffraction. |
A) Statement-1 is true, statement-2 is true and statement-2 is correct explanation for statement-1. done clear
B) Statement-1 is true. Statement-2 is true and Statement-2 is NOT the correct explanation for Statement-1. done clear
C) Statement-1 is true, Statement-2 is false. done clear
D) Statement-1 is false, Statement-2 is true. done clear
View Answer play_arrowTwo blocks of mass, 1 kg and 2 kg are moving with velocities of \[\text{\hat{i}}\]and \[\text{4\hat{i}}\]respectively. |
Statement-1: The kinetic energy of system appears minimum relative to an observer moving with a velocity of \[\text{3\hat{i}}\] m/s. |
Statement-2: The kinetic energy of any 2 block system is \[\frac{1}{2}M{{V}_{c}}^{1}+\frac{1}{2}\mu V_{rel}^{2}\] where symbols have their usual meanings. |
A) Statement-1 is true, Statement-2 is true and Statement-2 is correct explanation for statement-1. done clear
B) Statement-1 is true, Statement-2 is true and Statement-2 is NOT the correct explanation for statement-1. done clear
C) Statement-1 is true, Statement-2 is false. done clear
D) Statement-1 is false, Statement-2 is true. done clear
View Answer play_arrowStatenient-1: When a block body is thrown in a furnace, initially it is darkest and finally it is brightest. |
Statement-2: The emissivity as well as absorptive power of block body is 1. |
A) Statement-1 is true. Statement-2 is true and Statement-2 is correct explanation for statement-1. done clear
B) Statement-1 is true. Statement-2 is true and Statement-2 is NOT the correct explanation for statement-1. done clear
C) Statement-1 is true, Statement-2 is false. done clear
D) Statement-1 is false, Statement-2 is true. done clear
View Answer play_arrowA) 0.2% done clear
B) 0.8% done clear
C) 1.4% done clear
D) 2.2% done clear
View Answer play_arrowA) 0.68 MeV done clear
B) 0.84 MeV done clear
C) 0.75 MeV done clear
D) 1.22 MeV done clear
View Answer play_arrowA) 1 done clear
B) 2 done clear
C) 3 done clear
D) none done clear
View Answer play_arrowA) concave mirror, 3.0 cm done clear
B) concave mirror, 1.5 cm done clear
C) convex mirror, 3.0 cm done clear
D) convex mirror, 1.5 cm done clear
View Answer play_arrowA) \[{{10}^{-8}}\text{m/s}\] done clear
B) \[{{10}^{3}}\text{m/s}\] done clear
C) \[\text{1}\,\text{m/s}\] done clear
D) \[{{10}^{-4}}\text{m/s}\] done clear
View Answer play_arrowA) Volume strength of remaining \[{{\text{H}}_{\text{2}}}{{\text{O}}_{\text{2}}}\] solution will be \[\frac{\text{78}\text{.4}}{\text{12}}\text{V}\]. done clear
B) Molarity of \[{{\text{I}}_{\text{2}}}\]in solution X is 0.025 M done clear
C) Molarity of hypo solution taken is 0.2 M done clear
D) Moles of tetrathionate ions formed will be 0.01 done clear
View Answer play_arrowquestion_answer32) What will be the correct IUPAC name of the following compound?
A) 3-Ethanoyl oxy-4-Chloro Cyclopentanoic acid done clear
B) 3- Chloro-4-Ethanoyloxy Cyclopentanoic acid done clear
C) 3- Chloro-4-Ethanoyloxy Cyclopentane Carboxylic acid done clear
D) 3-Ethanoyl oxy-4-Chloro Cyclopentane Carboxylic acid done clear
View Answer play_arrowquestion_answer33) Which of the following option is incorrect regarding following process:
A) 'X' is an high spin complex done clear
B) it is Monds process done clear
C) 'X' is tetrahedral in shape done clear
D) 'X' is diamagnetic in nature done clear
View Answer play_arrowA) \[{{\Delta }_{r}}H=-ve\] done clear
B) \[{{\Delta }_{r}}S=-ve\] done clear
C) \[{{\Delta }_{r}}G=-ve\] at only low temperature done clear
D) \[{{\Delta }_{r}}G=-ve\]at only high temperature done clear
View Answer play_arrowA) Gly-Phe-Ala done clear
B) Ala-Gly-Phe done clear
C) Gly-Ala-Phe done clear
D) Ala-Phe-Gly done clear
View Answer play_arrowquestion_answer36) Which of the following is not planar?
A) \[{{[Ni{{(CN)}_{4}}]}^{2-}}\] done clear
B) \[{{[PtC{{l}_{4}}]}^{2-}}\] done clear
C) \[{{[Pd{{(CN)}_{4}}]}^{2-}}\] done clear
D) \[{{[Zn{{(CN)}_{4}}]}^{2-}}\] done clear
View Answer play_arrowA) \[0.3\,\log 2\] done clear
B) \[3\ln \frac{1.6}{1.6-1.4}\] done clear
C) \[\frac{\ln 2}{200}\] done clear
D) \[\frac{3\ln 2}{10}\] done clear
View Answer play_arrowA) done clear
B) done clear
C) done clear
D) \[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{2}}-OH\] done clear
View Answer play_arrow(i) potasium hexacyanido ferate(III) |
(ii) tripotasium hexacyanido ferate |
(iii) potasium haxacyanido ferate(-3) |
(iv) tripotasium hexacyanido ferate (III) |
A) TTTF done clear
B) TTFF done clear
C) TFFF done clear
D) TFTF done clear
View Answer play_arrowA) 20% done clear
B) 30% done clear
C) 40% done clear
D) 50% done clear
View Answer play_arrowA) done clear
B) done clear
C) done clear
D) None done clear
View Answer play_arrowA) It confirms the presence of \[C{{l}^{-}}\] ion done clear
B) It confirms the presence of \[B{{r}^{-}}\] ion done clear
C) It confirms the presence of both done clear
D) It neither confirms \[C{{l}^{-}}\] nor \[B{{r}^{-}}\] unless it is passed through \[NaOH\] solution done clear
View Answer play_arrowA) 1 : 2 done clear
B) 2 : 1 done clear
C) 2 : 3 done clear
D) 4 : 1 done clear
View Answer play_arrowA) a, b, c done clear
B) c, d done clear
C) b, c, d done clear
D) a, b, c, d done clear
View Answer play_arrowA) 70, 48 done clear
B) 70, 46 done clear
C) 23, 48 done clear
D) 23, 46 done clear
View Answer play_arrowA) 16.67 done clear
B) 18.57 done clear
C) 85.18 done clear
D) 7.66 done clear
View Answer play_arrowquestion_answer47) Major product (X) is.
A) done clear
B) done clear
C) done clear
D) done clear
View Answer play_arrow\[\mathbf{I}\]\[{{\text{H}}_{\text{2}}}{{\text{S}}_{\text{2}}}{{\text{O}}_{\text{6}}}\] |
\[\mathbf{II}\]\[{{\text{H}}_{\text{2}}}{{\text{S}}_{\text{2}}}{{\text{O}}_{3}}\] |
\[\mathbf{III}\]\[{{\text{H}}_{\text{2}}}{{\text{S}}_{\text{2}}}{{\text{O}}_{5}}\] |
A) I, II and III done clear
B) II, I and III done clear
C) II, III and I done clear
D) I, III and II done clear
View Answer play_arrowA) 1 done clear
B) 2 done clear
C) 3 done clear
D) 4 done clear
View Answer play_arrowA) done clear
B) done clear
C) done clear
D) done clear
View Answer play_arrowList-I (ppt.) | List-II (colour) |
(P) \[A{{g}_{2}}CrO\] | (1) Yellow |
(Q) \[C{{u}_{2}}[Fe{{(CN)}_{6}}]\] | (2) White |
(R) \[BaS{{O}_{4}}\] | (3) Chocolate brown |
(S) \[Pb{{I}_{2}}\] | (4) Scarlet Red |
A) P-4 Q-2 R-1 S-3 done clear
B) P-2 Q-3 R-4 S-1 done clear
C) P-4 Q-3 R-2 S-1 done clear
D) P-3 Q-4 R-1 S-2 done clear
View Answer play_arrowA) \[{{10}^{-4}}M\] done clear
B) \[{{10}^{-6}}M\] done clear
C) \[2\times {{10}^{-6}}M\] done clear
D) \[2\times {{10}^{-5}}M\] done clear
View Answer play_arrowquestion_answer53) Above compound is hydrated maximum at which position?
A) 1 done clear
B) 2 done clear
C) 3 done clear
D) equal done clear
View Answer play_arrowA) Due to larger third ionisation enthalpy of Mn done clear
B) Due larger third ionisation enthalpy of Cr done clear
C) Due to smallerfhird ionisation enthalpy of Mn done clear
D) Due to lesser hydration enthalpy of Cr done clear
View Answer play_arrowA) 2 M done clear
B) 1.5 M done clear
C) 1 M done clear
D) 0.5 M done clear
View Answer play_arrowA) \[Me{{(CH=CH)}_{3}}CHO\] done clear
B) \[MeCH=CHCHO\] done clear
C) \[Me{{(CH=CH)}_{2}}-CHO\] done clear
D) \[Me-(CH=CH){{-}_{4}}CHO\] done clear
View Answer play_arrowquestion_answer57) The point of dissimilarity between lanthanides and actinides is-
A) Three outermost shells are partially filled done clear
B) They show oxidation state of + 3 (common) done clear
C) They are called inner-transition elements done clear
D) They are radioactivity in nature done clear
View Answer play_arrowquestion_answer58) An orbital having one radial nodes and two angular nodes may be-
A) \[3{{d}_{xy}}\] done clear
B) \[4{{d}_{yz}}\] done clear
C) \[5{{d}_{{{x}^{2}}-{{y}^{2}}}}\] done clear
D) \[4{{p}_{z}}\] done clear
View Answer play_arrowStatement-1: \[N{{H}_{2}}-N{{H}_{2}}\] gives Prussian blue colour during Lassaigne test (element detection test). |
Statement-2: \[NaCN\] gives Prussian blue colour of \[F{{e}_{4}}\]\[{{[Fe(C{{N}_{6}})]}_{3}}\]with\[FeS{{O}_{4}},FeC{{l}_{3}}\]. |
A) Statement-1 is true. statement-2 is true and statement-2 is correct explanation for statement-1. done clear
B) Statement-1 is true, Statement-2 is true and Statement-2 is NOT the correct explanation for statement-1. done clear
C) Statement-] is true. Statement-2 is false. done clear
D) Statement-1 is false, statement-2 is true. done clear
View Answer play_arrowA) Copper done clear
B) Carbon done clear
C) Sodium done clear
D) Nickel done clear
View Answer play_arrowA) (3, 0) done clear
B) (5, 0) done clear
C) (0, 0) done clear
D) (4, 0) done clear
View Answer play_arrowA) \[{{x}^{2}}+{{y}^{2}}=8\] done clear
B) \[{{x}^{2}}+{{y}^{2}}=34\] done clear
C) \[{{x}^{2}}+{{y}^{2}}=64\] done clear
D) \[{{x}^{2}}+{{y}^{2}}=81\] done clear
View Answer play_arrowA) 1 done clear
B) 2 done clear
C) 3 done clear
D) cannot be found done clear
View Answer play_arrowA) \[\left[ \frac{-1}{2},\frac{1}{2} \right]\] done clear
B) \[\left[ 0,\frac{1}{2} \right]\] done clear
C) \[(-1,1)\] done clear
D) \[\left[ \frac{-1}{2},0 \right]\] done clear
View Answer play_arrowA) \[\left( 2,\frac{-2}{3} \right)\] done clear
B) \[\left( 3,\frac{-3}{8} \right)\] done clear
C) \[\left( -2,\frac{2}{3} \right)\] done clear
D) \[\left( -\sqrt{3},\frac{\sqrt{3}}{2} \right)\] done clear
View Answer play_arrowA) \[(1,\infty )\] done clear
B) \[\left( \frac{1}{e},\infty \right)\] done clear
C) \[[e,\infty )\] done clear
D) \[(0,1)\cup (1,\infty )\] done clear
View Answer play_arrowA) 4 done clear
B) 6 done clear
C) 3 done clear
D) 2 done clear
View Answer play_arrowA) \[\frac{13}{3}\] done clear
B) 3 done clear
C) \[\frac{67}{5}\] done clear
D) None of these done clear
View Answer play_arrowA) (2, 3) done clear
B) [2, 3) done clear
C) [2, 3] done clear
D) \[\phi \] done clear
View Answer play_arrowA) 1 done clear
B) \[\frac{1}{3}\] done clear
C) -1 done clear
D) 2 done clear
View Answer play_arrowA) \[-\left( x+\frac{\sin 4x}{4}+\frac{\sin 2x}{2} \right)+C\] done clear
B) \[-\left( x+\frac{\sin 4x}{4}-\frac{\sin 2x}{2} \right)+C\] done clear
C) \[-\left( x-\frac{\sin 4x}{4}+\frac{\sin 2x}{2} \right)+C\] done clear
D) \[-\left( x-\frac{\sin 4x}{4}-\frac{\sin 2x}{2} \right)+C\] [Note: Where 'C' is constant of integration.) done clear
View Answer play_arrowA) \[\ln 2-1+\lambda \] done clear
B) \[\ln 2-3+3\lambda \] done clear
C) \[2\ln 2-\lambda \] done clear
D) \[\ln 4-3+3\lambda \] done clear
View Answer play_arrowA) \[\frac{7}{3}\] done clear
B) 2 done clear
C) \[\frac{-10}{3}\] done clear
D) \[\frac{5}{3}\] done clear
View Answer play_arrowA) \[\overrightarrow{a}\cdot \overrightarrow{c}\ne 0\] done clear
B) \[\overrightarrow{a}\cdot \overrightarrow{c}\ne \overrightarrow{b}\cdot \overrightarrow{c}\] done clear
C) \[|\overrightarrow{a}|=|\overrightarrow{c}|\] done clear
D) None done clear
View Answer play_arrowA) a, b, c are ail real done clear
B) at least one of a, b, c is real done clear
C) at least one of a. b, c is imaginary done clear
D) a, b. c are all imaginary. done clear
View Answer play_arrowA) 0 done clear
B) 1 done clear
C) 2 done clear
D) 3 [Note: Tr. (P) denotes trace of matrix P.J done clear
View Answer play_arrowA) \[\frac{5}{216}\] done clear
B) \[\frac{5}{54}\] done clear
C) \[\frac{1}{6}\] done clear
D) \[\frac{5}{36}\] done clear
View Answer play_arrowA) \[\frac{194}{285}\] done clear
B) \[\frac{1}{57}\] done clear
C) \[\frac{13}{19}\] done clear
D) \[\frac{3}{4}\] done clear
View Answer play_arrowA) (3,-4, -2) done clear
B) (5,-8,-4) done clear
C) (1,-1,-10) done clear
D) (2, -3, 8) done clear
View Answer play_arrowA) \[2x-3y+z+2\sqrt{14}=0\] done clear
B) \[2x-3y+z-\sqrt{14}=0\] done clear
C) \[2x-3y+z+2=0\] done clear
D) \[2x-3y+z-2=0\] done clear
View Answer play_arrowA) \[\frac{9}{2}\] done clear
B) 9 done clear
C) \[\frac{7}{2}\] done clear
D) 7 done clear
View Answer play_arrowA) 2 done clear
B) 4 done clear
C) 3 done clear
D) None of these done clear
View Answer play_arrowA) \[{{I}_{2}}>{{I}_{4}}>{{I}_{1}}>{{I}_{3}}\] done clear
B) \[{{I}_{2}}<{{I}_{4}}<{{I}_{1}}<{{I}_{3}}\] done clear
C) \[{{I}_{1}}<{{I}_{2}}<{{I}_{3}}<{{I}_{4}}\] done clear
D) \[{{I}_{1}}>{{I}_{2}}>{{I}_{3}}>{{I}_{4}}\] done clear
View Answer play_arrowA) \[\frac{7}{4}\] done clear
B) \[\frac{9}{4}\] done clear
C) \[\frac{5}{4}\] done clear
D) 2 done clear
View Answer play_arrowA) \[\frac{75}{\sqrt{7}}\] done clear
B) \[\frac{150}{\sqrt{7}}\] done clear
C) \[\frac{75}{\sqrt{14}}\] done clear
D) None of these done clear
View Answer play_arrowA) \[\frac{1}{2}\] done clear
B) \[\frac{1}{4}\] done clear
C) \[\frac{1}{5}\] done clear
D) \[\frac{1}{3}\] done clear
View Answer play_arrowA) 1 done clear
B) (2) 2 done clear
C) 3 done clear
D) 4 done clear
View Answer play_arrowquestion_answer88) If \[\int_{{}}^{{}}{f(x)dx=g(x)}\], then \[\int_{{}}^{{}}{{{f}^{-1}}}(x)dx\] is
A) \[x\,{{f}^{-1}}(x)+C\] done clear
B) \[f\left( {{g}^{-1}}(x) \right)+C\] done clear
C) \[x{{f}^{-1}}(x)-g\left( {{f}^{-1}}(x) \right)+C\] done clear
D) \[{{g}^{-1}}(x)+C\] [Note: Where 'C' is constant of integration.] done clear
View Answer play_arrowA) \[\frac{124}{7}\] done clear
B) \[\frac{120}{7}\] done clear
C) \[\frac{115}{7}\] done clear
D) None done clear
View Answer play_arrowA) p done clear
B) \[\tilde{\ }p\] done clear
C) q done clear
D) \[\tilde{\ }q\] done clear
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