AIPMT 2011 Prelims | NEET Year Wise Previous Years Questions

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1. The dimensions of $${\left( {{\mu _0}{\varepsilon _0}} \right)^{ - 1/2}}$$ are 2. A boy standing at the top of a tower of 20 m height drops a stone. Assuming g = 10 m s$$-$$2, the velocity with which i 3. A particle moves in a circle of radius 5 cm with constant speed and time period 0.2$$\pi $$ s. The acceleration of the p 4. A missile is fired for maximum range with an initial velocity of 20 m/s. If g = 10 m/s2, the range of the missile is 5. A body is moving with velocity 30 m/s towards east . After 10 seconds its velocity becomes 40 m/s towards north. The a 6. A person of mass 60 kg is inside a lift of mass 940 kg and presses the button on control panel. The lift starts moving u 7. A body of mass M hits normally a rigid wall with velocity V and bounces back with the same velocity. The impulse experi 8. The potential energy of a system increases if work is done 9. Force F on a particle moving in a straight line varies with distance d as shown in figure. The work done on the partic 10. A body projected vertically from the earth reaches a height equal to earth's radius before returning to the earth. The p 11. A particle of mass m is released from rest and follows a parabolic path as shown. Assuming that the displacement of the 12. The instantaneous angular position of a point on a rotating wheel is given by the equation $$\theta \left( t \right) = 2 13. The moment of inertia of a thin uniform rod of mass M and length L about an axis passing through its midpoint and perpen 14. A planet moving along an elliptical orbit is closest to the sun at a distance r1 and farthest away at a distance of r2. 15. During an isothermal expansion, a confined ideal gas does $$-$$ 150 J of work against its surroundings. This implies tha 16. When 1 kg of ice at 0oC melts to water at 0oC, the resulting change in its entropy, taking latent heat of ice to be 80 17. Out of the following functions representing motion of a particle which represents SHM (1)  y = sin$$\omega $$t 18. Two waves are represented by the equations y1 = $$a$$sin($$\omega $$t + kx + 0.57) m and y2 = acos($$\omega $$t + kx) 19. Sound waves travel at 350 m/s through a warm air and at 3500 m/s through brass. The wavelength of a 700 Hz acoustic wave 20. A parallel plate capacitor has a uniform electric field E in the space between the plates. If the distance between the p 21. Four electric charges +q, +q, $$-$$ q and $$-$$ q are placed at the corners of a square of side 2L (see figure). The ele 22. A charge Q is enclosed by a Gaussian spherical surface of radius R. If the radius is doubled, then the outward electric 23. A current of 2 A flows through a 2 $$\Omega $$ resistor when connected across a battery a 2 $$\Omega $$ resistor when co 24. If power dissipated in the 9 $$\Omega $$ resistor in the circuit shown is 36 watt, the potential difference across the 2 25. A uniform electric field and a uniform magnetic field are acting along the same direction in a certain region. If an ele 26. A current carrying closed loop in the form of a right angle isosceles triangle ABC is placed in uniform magnetic field a 27. There are four light-weight-rod samples A, B, C, D separately suspended by threads. A bar magnet is slowly brought near 28. An ac voltage is applied to a resistance R and an inductor L in series. If R and the inductive reactance are both equal 29. In the ac circuit an alternating voltage e = $$200\sqrt 2 $$sin100t volts is connected to a capacitor of capacity 1 $$\m 30. The current $$i$$ in a coil varies with time as shown in the figure. The variation of induced emf with time would be 31. The electric and the magnetic field, associated with an e.m. wave, propagating along the +z-axis, can be represented by 32. The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma rays is 33. Which of the following is not due to total internal reflection ? 34. A biconvex lens has a radius of curvature of magnitude 20 cm. Which one of the following options describe best the image 35. In the Davisson and Germer experiment, the velocity of electrons emitted from the electron gun can be increased by 36. Photoelectric emission occurs only when the incident light has more than a certain minimum 37. Light of two different frequencies whose photons have energies 1 eV and 2.5 eV respectively illuminate a metallic surfac 38. Electrons used in an electron microscope are accelerated by a voltage of 25 kV. If the voltage is increased to 100 kV th 39. In photoelectric emission process from a metal of work function 1.8 eV, the kinetic energy of most energetic electrons i 40. The wavelength of the first line of Lyman series for hydrogen atom is equal to that of the second line of Balmer series 41. The half life of a radioactive isotope X is 50 years. It decays to another element Y which is stable. The two elements X 42. The power obtained in a reactor using U235 disintegration is 1000 kW. The mass decay of U235 per hour is 43. A radioactive nucleus of mass M emits a photon of frequency $$v$$ and the nucleus recoils. The recoil energy will be 44. A nucleus $${}_n^mX$$ emits one $$\alpha $$ particle and two $$\beta $$ particles. The resulting nucleus is 45. Fusion reaction takes place at high temperature because 46. A transistor is operated in common emitter configuration at VC = 2 V such that a change in the base current from 100 $$\ 47. Symbolic representation of four logic gates are shown as Pick out which ones are for AND, NAND and NOT gates, respecti 48. If a small amount of antimony is added to germanium crystal 49. In forward biasing of the p-n junction

AIPMT 2011 Prelims

MCQ (Single Correct Answer)

-1

A current carrying closed loop in the form of a right angle isosceles triangle ABC is placed in uniform magnetic field acting along AB. If the magnetic force on the arm BC is $$\overrightarrow {F,} $$ the force on the arm AC is

AIPMT 2011 Prelims Physics - Moving Charges and Magnetism Question 52 English

AIPMT 2011 Prelims Physics - Moving Charges and Magnetism Question 52 English

$$ - \sqrt 2 \,\overrightarrow F $$

$$-$$ $$\,\overrightarrow F $$

$$\,\overrightarrow F $$

$$\sqrt 2 \,\overrightarrow F $$

AIPMT 2011 Prelims

MCQ (Single Correct Answer)

-1

There are four light-weight-rod samples A, B, C, D separately suspended by threads. A bar magnet is slowly brought near each sample and the following observations are noted
(i)  A is feebly repelled
(ii)  B is feebly attracted
(iii)  C is strongly attracted
(iv)  D remains unaffected

Which one of the following is true ?

B is of a paramagnetic material

C is of a diamagnetic material

D is of a ferromagnetic material

A is of a non-magnetic material

AIPMT 2011 Prelims

MCQ (Single Correct Answer)

-1

An ac voltage is applied to a resistance R and an inductor L in series. If R and the inductive reactance are both equal to 3 $$\Omega $$, the phase difference between the applied voltage and the current in the circuit is

$$\pi /6$$

$$\pi /4$$

$$\pi /2$$

zero

AIPMT 2011 Prelims

MCQ (Single Correct Answer)

-1

In the ac circuit an alternating voltage e = $$200\sqrt 2 $$sin100t volts is connected to a capacitor of capacity 1 $$\mu $$F. The r.m.s. value of the current in the circuit is

10 mA

100 mA

200 mA

20 mA

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