AIPMT 2010 Prelims | NEET Year Wise Previous Years Questions

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1. A lens having focal length f and aperture of diameter d forms an image of intensity I. Aperture of diameter $${d \over 2 2. A potentiometer circuit is set up as shown. The potential gradient, across the potentiometer wire, is k volt/cm and the 3. Charge q is uniformly spread on a thin ring of radius R. The ring rotates about its axis with a uniform frequency $$f$$ 4. A galvanometer has a coil of resistance 100 ohm and gives a full scale deflection for 30 mA current. If it is to work as 5. A square current carrying loop is suspended in a uniform magnetic field acting in the plane of the loop. If the force on 6. A galvanometer has a coil of resistance 100 ohm and gives a full scale deflection for 30 mA current. If it is to work as 7. Electromagnets are made of soft iron because soft iron has 8. A vibration magnetometer placed in magnetic meridian has a small bar magnet. The magnet executes oscillations with a ti 9. A conducting circular loop is placed in a uniform magnetic field, B = 0.025 T with its plane perpendicular to the loop. 10. A 220 volt input is supplied to a transformer. The output circuit draws a current of 2.0 ampere at 440 volts. If the eff 11. In the given circuit the reading of voltmeter V1 and V2 are 300 volts each. The reading of the voltmeter V3 and ammeter 12. Which of the following statement is false for the properties of electromagnetic waves ? 13. A ray of light travelling in a transparent medium of refractive index $$\mu $$, falls on a surface separating the medium 14. Consider the following two statements. (A)  Kirchoff's junction law follows from the conservation of charge. 15. A beam of cathode rays is subjected to crossed electric (E) and magnetic fields (B). The fields are adjusted such that t 16. The potential difference that must be applied to stop the fastest photoelectrons emitted by a nickel surface, having wor 17. A source S1 is producing, 1015 photons per second of wavelength 5000 $$\mathop A\limits^ \circ $$. Another source S2 is 18. The energy of a hydrogen atom in the ground state is $$-$$ 13.6 eV. The energy of a He+ ion in the first excited state 19. The mass of a $${}_3^7Li$$ Li nucleus is 0.042 u less than the sum of the masses of all its nucleons. The binding energy 20. The energy of a hydrogen atom in the ground state is $$-$$ 13.6 eV. The energy of a He+ ion in the first excited state w 21. An alpha nucleus of energy $${1 \over 2}$$ mv2 bombards a heavy nuclear target of charge Ze. Then the distance of close 22. To get an output Y = 1 in given circuit which of the following input will be correct ? 23. Which one of the following statement is false ? 24. The device that can act as a complete electronic circuit is 25. Which one of the following bonds produces a solid that reflects light in the visible region and whose electrical conduc 26. A man of 50 kg mass is standing in a gravity free space at a height of 10 m above the floor. He throws a stone of 0.5 kg 27. A particle moves a distance x in time t according to equation x = (t + 5)$$-$$1. The acceleration of particle is proport 28. A ball is dropped from a high rise platform at t = 0 starting from rest. After 6 seconds another ball is thrown downward 29. A particle has initial velocity $$\left( {3\widehat i + 4\widehat j} \right)$$ and has acceleration $$\left( {0.4\wideha 30. Six vectors, $$\overrightarrow a $$ through $$\overrightarrow f $$ have the magnitudes and directions indicated in the f 31. A block of mass m is in contact with the cart C as shown in the figure. The coefficient of static friction between the b 32. A ball moving with velocity 2 m/s collides head on with another stationary ball of double the mass. If the coefficient o 33. An engine pumps water through a hose pipe. Water passes through the pipe and leaves it with a velocity of 2 m/s. The mas 34. A circular disk of moment of inertia $${I_t}$$ is rotating in a horizontal plane, about its symmetry axis, with a consta 35. Two particles which are initially at rest, move towards each other under the action of their internal attraction. If the 36. A gramophone record is revolving with an angular velocity $$\omega $$. A coin is placed at a distance r from the centre 37. A particle of mass M is situated at the centre of a spherical shell of same mass and radius a. The magnitude of the grav 38. The radii of circular orbits of two satellites A and B of the earth, are 4R and R, respectively. If the speed of satelli 39. A cylindrical metallic rod in thermal contact with two reservoirs of heat at its two ends conducts an amount of heat Q i 40. The total radiant energy per unit area, normal to the direction of incidence, received at a distance R from the centre o 41. Assuming the sun to have a spherical outer surface of radius r, radiating like a black body at temperature toC, the powe 42. If $$\Delta $$U and $$\Delta $$W represent the increase in internal energy and work done by the system respectively in a 43. The displacement of a particle along the x-axis is given by x = asin2$$\omega $$t. The motion of the particle correspond 44. The period of oscillation of a mass M suspended from a strong of negligible mass is T. If along with it another mass M i 45. A transverse wave is represented by y = Asin($$\omega $$t $$-$$ kx). For what value of the wavelength is the wave veloc 46. A tuning fork of frequency 512 Hz makes 4 beats per second with the vibrating string of a piano. The beat frequency decr 47. Two positives ions, each carrying a charge q, are separated by a distance d. If F is the force of repulsion between the 48. A square surface of side L meter in the plane of the paper is placed in a uniform electric field $$E$$(volt/m) acting al 49. A series combination of n1 capacitors, each of value C1, is charged by a source of potential difference 4V. When another 50. The dimension of $${1 \over 2}{\varepsilon _0}{E^2}$$, where $${\varepsilon _0}$$ is permittivity of free space and E is

AIPMT 2010 Prelims

MCQ (Single Correct Answer)

-1

A circular disk of moment of inertia $${I_t}$$ is rotating in a horizontal plane, about its symmetry axis, with a constant angular speed $${\omega _i}$$. Another disk of moment of inertia $${I_b}$$ is dropped coaxially onto the rotating disk. Initially the second disk has zero angular speed. Eventually both the disks rotate with a constant angular speed $$\omega $$. The energy lost by the initially rotating disc to friction is

$${1 \over 2}{{I_b^2} \over {\left( {{I_t} + {I_b}} \right)}}\omega _i^2$$

$${1 \over 2}{{I_t^2} \over {\left( {{I_t} + {I_b}} \right)}}\omega _i^2$$

$${{{I_b} - {I_t}} \over {\left( {{I_t} + {I_b}} \right)}}\omega _i^2$$

$${1 \over 2}{{{I_b}{I_t}} \over {\left( {{I_t} + {I_b}} \right)}}\omega _i^2$$

AIPMT 2010 Prelims

MCQ (Single Correct Answer)

-1

Two particles which are initially at rest, move towards each other under the action of their internal attraction. If their speeds are v and 2v at any instant, then the speed of centre of mass of the system will be :

zero

1.5 v

AIPMT 2010 Prelims

MCQ (Single Correct Answer)

-1

A gramophone record is revolving with an angular velocity $$\omega $$. A coin is placed at a distance r from the centre of the record. The static coefficient of friction is $$\mu $$. The coin will revolve with the record if

r = $$\mu $$g$$\omega $$²

r < $${{{\omega ^2}} \over {\mu g}}$$

$$r \le {{\mu g} \over {{\omega ^2}}}$$

$$r \ge {{\mu g} \over {{\omega ^2}}}$$

AIPMT 2010 Prelims

MCQ (Single Correct Answer)

-1

A particle of mass M is situated at the centre of a spherical shell of same mass and radius a. The magnitude of the gravitational potential at a point sutuated at a/2 distance from the centre, will be :

$${{GM} \over a}$$

$${{2GM} \over a}$$

$${{3GM} \over a}$$

$${{4GM} \over a}$$

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