Solved papers for VMMC VMMC Medical Solved Paper-2010
done VMMC Medical Solved Paper-2010 Total Questions - 200
question_answer1) A car of mass 1000 kg accelerates uniformly from rest to a velocity of 54 km/h in 5 s. The average power of the engine during this period in watt is (neglect friction)
question_answer4) Angular width of central maxima in the Fraunhofers diffraction pattern is measured. Slit is illuminated by the light of wavelength 6000\[\overset{0}{\mathop{A}}\,\]. If slit is illuminated by light of another wavelength, angular width decreases by 30%. Wavelength of light used is
question_answer5) The equation of a wave travelling on a string is \[y=4\sin \left[ \frac{\pi }{2}\left( 8t-\frac{x}{8} \right) \right],\], where x, y are in cm and t is in second. The velocity of the wave is
question_answer8) A block of mass 0.5 kg has an initial velocity of \[10\,m{{s}^{-1}}\] down an inclined plane of angle friction between the block and the inclined surface is 0.2 The velocity of the block after it travels a distance of 10 m is
question_answer9) The ratio of the accelerations due to gravity at the bottom of a deep mine and that on the surface of the earth is 978/980. Find the depth of the mine if the density of the earth is uniform throughout and the radius of the earth is 6300 km.
question_answer10) The centre of a wheel rolling on a plane surface moves with a speed v0. A particle on the rim of the wheel at the same level as the centre will be moving at speed
question_answer11) The motor of an angle is rotating about its axis with an angular velocity of 100 rev/m. It comes to rest in 15 s, after being switched off. Assuming constant angular deceleration. What are the numbers of revolutions made by it before coming to rest?
question_answer12) The maximum vertical distance through which a full dressed astronaut can jump on the earth is 0.5 m. Estimate the maximum vertical distance through which he can jump on the moon, which has a mean density 2/3rd that of the earth and radius one quarter that of the earth.
question_answer13) A research satellite of mass 200 kg circles the earth in an orbit of average radius \[\frac{3R}{2}\] where R is the radius of earth. Assuming the gravitational pull on a mass of 1 kg on the earths surface to be 10 N, the pull on the satellite will be
question_answer14) In an AC circuit, V and i are given by V = 100 sin(100t) volt and\[i=100\sin \left( 100t+\frac{\pi }{3} \right)\]amp The power dissipated in the circuit is
question_answer15) A stone of mass m is tied to a string and is moved in a vertical circle of radius r making n rev/min. The total tension in the string when the stone is at the lowest point is
question_answer17) A glass of soft drink with some ice-cubes floating in it is taken in an elevator which is accelerating down. Then, the portion of ice outside the soft drink
question_answer18) A chef, on finding his stove out of order, decides to boil the water for his wifes coffee by shaking it in a thermos flask. Suppose that he uses tap water at \[15{}^\circ C\] and that the water falls 30 cm each shake, the chef making 30 shakes each minute. Neglecting any loss of thermal energy by the flask, how long must he shake the flask until the water reaches \[100{}^\circ C\]?
question_answer19) According to Newtons law of cooling, the rate of cooling of a body is proportional to\[{{\left( \Delta \theta \right)}^{n}}\], where \[\Delta \theta \]is the difference of the temperature of the body and the surroundings and n is equal to
question_answer20) An uncharged capacitor with a solid dielectric is connected to a similar air capacitor charged to a potential of \[{{V}_{0}}\]. If the common potential after sharing of charges becomes V, then the dielectric constant of the dielectric must be
question_answer22) The ionization energy of a hydrogen atom is 13.6 eV. Following Bohrs theory, the energy corresponding to a transition between 3rd and 4th orbits is
question_answer23) A ball falls from rest from a height h on to a floor and rebounds to a height h/4. The coefficient of restitution between the ball and the floor is
question_answer25) A 10 m long wire of resistance 20\[\Omega \] is connected in series with a battery of emf 3V and a resistance of 10\[\Omega \]. The potential gradient along the wire in V/m is
question_answer26) Two small magnets each of magnetic moment \[10\,A{{m}^{2}}\] are placed in end on position 0.1 m apart from their centres. The force acting between them is
question_answer27) A coil of cross-sectional area \[400\,\,c{{m}^{2}}\] having 30 turns is making 1800 rev/min in a magnetic field of 1 T. The peak value of the induced emf is
question_answer28) A silicon specimen is made into a p-type semiconductor by doping on an average one indium atom per \[5\times {{10}^{7}}\] silicon atoms. If the number density of atoms in the silicon specimen is \[5\times {{10}^{28}}\] atom/\[{{m}^{3}}\], then the number of acceptor atoms in silicon per cubic centimeter will be
question_answer29) If the distance of 100 W lamp is increased from a photocell, the saturation current i in the photocell varies with the distance d as
question_answer31) If pendulum bob on a 2m string is displaced \[60{}^\circ \] from the vertical and then released. What is the speed of the bob as it passes through the lowest point in its path?
question_answer32) A block B is pushed momentarily along a horizontal surface with an initial velocity v. If \[\mu \] is the coefficient of sliding friction between B and the surface, block B will come to rest after a time
question_answer33) If the moment of inertia of a disc about an axis tangential and parallel to its surface be I, then what will be the moment of inertia about the axis tangential but perpendicular to the surface?
question_answer34) Given mass of the moon is \[\frac{1}{81}\] of the mass of the earth and corresponding radius is \[\frac{1}{4}\] of the earth. If escape velocity on the earth surface is 11.2 km/s, the value of same on the surface of the moon is
question_answer35) When a weight of 10 kg is suspended from a copper wire of length 3 m and diameter 0.4 mm. Its length increases by 2.4 cm. If the diameter of the wire is doubled, then the extension in its length will be
question_answer36) The force required to separate two glass plates of area \[{{10}^{-2}}{{m}^{2}}\] with a film of water 0.05 mm thick between them, is (surface tension of water is \[70\times {{10}^{-3}}\,N/m\])
question_answer37) Two rain drops of same radius r, falling with terminal velocity v merge and from a bigger drop of radius R. The terminal velocity of the bigger drop is
question_answer38) The respective speeds of the molecules are 1, 2, 3, 4 and 5 km/s. The ratio of their \[rms\] velocity and the average velocity will be
question_answer40) A body of length 1 m having cross-sectional area \[0.75\,{{m}^{2}}\] has heat flow through it at the rate of 6000 J/s. Then find the temperature difference if \[K=200\,J{{m}^{-2}}\,{{K}^{-1}}\].
question_answer41) A particle is vibrating in a simple harmonic motion with an amplitude of 4 cm. At what displacement from the equilibrium position, is its energy half potential and half kinetic?
question_answer42) 0.2 F capacitor is charged to 600 V by a battery, on removing the battery, it is connected with another parallel plate condenser of 1 F. The potential decreases to
question_answer44) For the magnetic field to be maximum due to a small element of current carrying conductor at a point, the angle between the element and the line joining the element to the given point must be
question_answer47) Assertion: The binding energy per nucleon for nuclei with atomic mass number A> 100, decreases with A. Reason: The nuclear forces are weak for heavier nuclei.
A)
if the Assertion and Reason are true and Reason is the correct explanation of Assertion
doneclear
B)
if both Assertion and Reason are true but Reason is not the correct explanation of Assertion
question_answer48) Assertion: A capacitor of suitable capacitance can be used in an circuit in place of the choke coil. Reason: A capacitor blocks DC and allows AC only.
A)
if the Assertion and Reason are true and Reason is the correct explanation of Assertion
doneclear
B)
if both Assertion and Reason are true but Reason is not the correct explanation of Assertion
question_answer49) Assertion: The resistivity of a semiconductor increases with temperature. Reason: The atoms of a semiconductor vibrate with larger amplitudes of higher temperatures thereby increasing its resistivity.
A)
if the Assertion and Reason are true and Reason is the correct explanation of Assertion
doneclear
B)
if both Assertion and Reason are true but Reason is not the correct explanation of Assertion
question_answer50) Assertion: As temperature of a black body is raised, wavelength corresponding to maximum energy reduces. Reason: Higher temperature would mean higher energy and hence higher wavelength.
A)
if the Assertion and Reason are true and Reason is the correct explanation of Assertion
doneclear
B)
if both Assertion and Reason are true but Reason is not the correct explanation of Assertion
question_answer52) 100 mL of a colloidal solution is completely precipitated by addition of 5 mL of 1 M NaCI solution. What is the coagulation value of NaCI?
question_answer53) The first order rate constant for the decomposition of ethyl iodide by the reaction \[{{C}_{2}}{{H}_{5}}I(g)\xrightarrow{{}}{{C}_{2}}{{H}_{4}}(g)+HI(g)\] at 600 K is\[1.60\times {{10}^{-5}}{{s}^{-1}},\]. Its energy of activation is \[209\,kJ\,mo{{l}^{-1}}.\] What is the rate constant of the reaction at 700 K?
question_answer58) In the sequence of following nuclear reactions, \[_{92}{{X}^{238}}\xrightarrow{-\alpha }Y\xrightarrow{-\beta }Z\xrightarrow{-\beta }L\xrightarrow{-n\alpha }{{\,}_{84}}M{{\,}^{218}}\]The value of n will be
question_answer84) Which order is correct for the decreasing reactivity to ring monobromination of the following compounds? \[\underset{I}{\mathop{{{C}_{6}}{{H}_{5}}C{{H}_{3}},}}\,\underset{II}{\mathop{{{C}_{6}}{{H}_{5}}COOH,}}\,\underset{III}{\mathop{{{C}_{6}}{{H}_{6}},}}\,\underset{IV}{\mathop{{{C}_{6}}{{H}_{5}}N{{O}_{2}}}}\,\]
question_answer89) What is \[{{K}_{c}}\] for the following equilibrium when equilibrium concentration of each substance is [8 \[[S{{O}_{2}}]=0.60M,\,\,[{{O}_{2}}]=0.82\,M\] and \[[S{{O}_{3}}]=1.90M\]? \[2S{{O}_{2}}(g)+{{O}_{2}}(g)\rightleftharpoons 2S{{O}_{3}}(g)\]
question_answer96) Assertion In \[{{\text{S}}_{\text{N}}}\text{1}\]reaction on 2-bromobutane, product formed is a racemic mixture. Reason Carbocation is the intermediate of \[{{\text{S}}_{\text{N}}}\text{1}\] reaction.
A)
If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
doneclear
B)
If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
question_answer97) Assertion Basicity of \[\text{C}{{\text{H}}_{\text{3}}}\text{C}{{\text{H}}_{\text{2}}}\text{N}{{\text{H}}_{\text{2}}}\text{(I),N}{{\text{H}}_{\text{3}}}\text{(II)}\] and \[{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}\text{N}{{\text{H}}_{\text{2}}}\text{(III)}\] is in order \[\text{I II III}\] Reason Electron-donating groups (such as alkyl group) increase the basicity of amines, and electron-withdrawing groups (such as aryl group) decrease the basicity of amines.
A)
If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
doneclear
B)
If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
question_answer98) Assertion \[\text{CHC}{{\text{l}}_{\text{3}}}\] is stored in closed dark coloured bottles completely filled so that air is kept out. Reason \[{{\text{1}}^{\text{o}}}\] amines on reaction with ethanolic KOH and \[\text{CHC}{{\text{l}}_{3}}\]give carbylamine.
A)
If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
doneclear
B)
If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
question_answer100) Assertion In any ionic solid (MX) with Schottky defect, the number of positive and negative ions are same. Reason Unequal number of cation and anion vacancies are present.
A)
If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
doneclear
B)
If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
question_answer164) In which of the following types of fruits, dorsiventral dehiscence takes place? I. Legume II. Follicle III. Siliqua IV. Capsule The correct combination is
question_answer168) Arrange the following events of meiosis in the correct sequence. i. Terminalisation ii. Crossing over iii. Synapsis iV. Disjuncton of genomes The correct sequence is
question_answer170) Identify the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem. I. Secondary cortex II. Autumn wood III. Secondary phloem IV. Phellem
question_answer178) Nostoc fixes dinitrogen in symbiotic association with the following I. Alnus II. Gunnera III. Anthoceros IV. Casuarina The correct combination is
question_answer181) Identify the correct sequence of enzymes given below which participate in the regeneration phase of Calvin cycle. I. Ribulose-5-phosphate isomerase II. Ribulose-5-phosphate epimerase III. Transketolase IV. Triose phosphate isomerase The correct sequence is
question_answer183) Identify the correct statement from the following. I. Accumulation of K+ ions in the guard cells does not require energy. II. A high pH favours stomatal opening. III. Movement of chloride ions into the guard cells in the response to the electrical differential created by K+ ions. IV. With the entry of several K+ ions and chloride ions, the water potential of guard cells increases. The correct combination is
question_answer196) Assertion: Conjugation is a temporary union between two ciliates belonging to two different mating types for the exchange and reconstitution of nuclear materials. Reason: Conjugation occurs between two inactive individuals which have gained their vigour and vitality due to chromosomal imbalance in their macronuclei, caused by repeated amitotic division.
A)
Both Assertion and Reason are true and Reason is the correct explanation of Assertion
doneclear
B)
Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
question_answer197) Assertion: Daphnia populations in a water body, at different seasons of an year showed market variations in their body morphology. Reason: Cyclomorphosis in some planktonic organisms is influenced by the variations in temperatures prevailing in their water bodies at different seasons.
A)
Both Assertion and Reason are true and Reason is the correct explanation of Assertion
doneclear
B)
Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
question_answer198) Assertion: The phenomenon where tumour cells detach and migrate to other parts of the body where they give rise to secondary tumours is called metastasis. Reason: Abnormal antigens on the surface of cell and unusual member of chromosomes cause metastasis.
A)
Both Assertion and Reason are true and Reason is the correct explanation of Assertion
doneclear
B)
Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
question_answer199) Assertion: The type of inflorescence in Sphaeranthus is cyathium. Reason In cyathium type of inflorescence, the flowers are achlamydeous.
A)
Both Assertion and Reason are true and Reason is the correct explanation of Assertion
doneclear
B)
Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
question_answer200) Assertion: Ethylene stimulates growth in case of wounds and thus helps in wound heating. Reason: Ethylene causes triple response growth in plants.
A)
Both Assertion and Reason are true and Reason is the correct explanation of Assertion
doneclear
B)
Both Assertion and Reason are true but Reason is not the correct explanation of Assertion