AIPMT 2007 | NEET Year Wise Previous Years Questions

Biology

Chemistry

Physics

1. A small coin is resting on the bottom of a beaker filled with liquid . A ray of light from the coin travels upto the sur 2. The total power dissipated in watt in the circuit shown here is 3. Three resistances, P, Q, R each of 2$$\Omega $$ and an unknown resistance S from the four arms of a Wheatstone bridge ci 4. Under the influence of a uniform magnetic field, a charged particle moves with constant speed v in a circle of radius R. 5. The resistance of an ammeter is 13 $$\Omega $$ and its scale is graduated for a current upto 100 amps. After an addition 6. Nickel shows ferromagnetic property at room temperature. If the temperature is increased beyond Curie temperature, then 7. A charged particle (charge q) is moving in a circle of radius R with uniform speed v. The associated magnetic moment $$\ 8. A transformer is used to light a 100 W and 110 V lamp from a 220 V mains. If the main current is 0.5 amp, the efficiency 9. What is the value of inductance L for which the current is maximum in a series LCR circuit with C = 10 $$\mu $$F and $$\ 10. The primary and secondary coils of a transformer have 50 and 1500 turns respectively. If the magnetic flux $$\phi $$ lin 11. The electric and magnetic field of an electromagnetic wave are 12. Two condensers, one of capacity C and other of capacity C/2 are connected to a V-volt battery, as shown in the figure. T 13. The frequency of a light wave in a material is 2 $$ \times $$ 1014 Hz and wavelength is 5000 $$\mathop A\limits^ \circ 14. Monochromatic light of frequency 6.0 $$ \times $$ 1014 Hz is produced by a laser. The power emitted is 2 $$ \times $$ 10 15. A beam of electron passes undeflected through mutually perpendicular electric and magnetic fields. If the electric field 16. A 5 watt source emits monochromatic light of wavelength 5000 $$\mathop A\limits^ \circ $$. When placed 0.5 m away, it l 17. In a mass spectrometer used for measuring the masses of ions, the ions are initially accelerated by an electric potentia 18. A nucleus $${}_Z^AX$$ has mass represented by M(A, Z). If Mp and Mn denote the mass of proton and neutron respectively a 19. The total energy of electron in the ground state of hydrogen atom is $$-$$ 13.6 eV. The kinetic energy of an electron in 20. Two satellites of earth, S1 and S2 are moving in the same orbit. The mass of S1 is four times the mass of S2. Which one 21. A particle moving along x-axis has acceleration f, at time t, given by f = f0$$\left( {1 - {t \over T}} \right),$$ where 22. A car moves from X to Y with a uniform speed vu and returns to Y with a uniform speed vd. The average speed for this rou 23. The positions x of a particle with respect to time t along x-axis is given by x = 9t2 $$-$$ t3 where x is in metres and 24. $$\overrightarrow A $$ and $$\overrightarrow B $$ are two vectors and $$\theta $$ is the angle between them, if $$\left 25. A particle starting from the origin (0, 0) moves in a straight line in the (x, y) planes. Its coordinates at a later tim 26. A block B is pushed momentarily along a horizontaly surface with an initial velocity V. If  $$\mu $$  is the c 27. A vertical spring with force constant k is fixed on a table. A ball of mass m at a height h above the free upper end of 28. A particle of mass m moves in the XY plane with a velocity v along the straight line AB. If the angular momentum of the 29. A uniform rod AB of length $$l$$ and mass m is free to rotate about point A. The rod is released from rest in the horizo 30. A wheel has angular acceleration of 3.0 rad/sec2 and an initial angular speed of 2.00 rad/sec. In a time of 2 sec it has 31. Which one of the following represents forward bias diode ? 32. Assuming the sun to have a spherical outer surface of radius r, radiating like a black body at temperature toC, the powe 33. A black body is at 727oC. It emits energy at a rate which is proportional to 34. An engine has an efficiency of 1/6. When the temperature of sink is reduced by 62oC, its efficiency is doubled. Temperat 35. A particle executes simple harmonic oscillation with an amplitude $$a$$. The period of oscillation is T. The minimum tim 36. A mass of 2.0 kg is put on a flat pan attached to a vertical spring fixed on the ground as shown in the figure. The mass 37. The particle executing simple harmonic motion has a kinetic energy K0cos2$$\omega $$t. The maximum values of the potenti 38. The phase difference between the instantaneous velocity and acceleration of a particle executing simple harmonic motion 39. Charges +q and $$-$$q are placed at points A and B respectively which are a distance 2L apart, C is the midnight between 40. A hollow cylinder has a charge q coulomb within it. If $$f$$ is the electric flux in units of voltmeter associated with 41. Three point charges +q, $$-$$ 2q and + q are placed at points (x = 0, y = a, z = 0), (x = 0, y = 0, z = 0) and (x = $$a$ 42. In the following circuit, the output Y for all possible inputs A and B is expressed by the truth table. 43. For a cubic crystal structure which one of the following relations indicating the cell characteristics is correct ? 44. In the energy band diagram of a material shown below, the open circles and filled circles denote holes and electrons res 45. Dimensions of resistance in an electrical circuit, in terms of dimension of mass M, of length L, of time T and of curre

AIPMT 2007

MCQ (Single Correct Answer)

-1

A uniform rod AB of length $$l$$ and mass m is free to rotate about point A. The rod is released from rest in the horizontal position. Given that the moment of inertia of the rod about A is ml²/3, the initial angular acceleration of the rod will be

AIPMT 2007 Physics - Rotational Motion Question 43 English

AIPMT 2007 Physics - Rotational Motion Question 43 English

$${{mgl} \over 2}$$

$${3 \over 2}gl$$

$${{3g} \over {2l}}$$

$${{2g} \over {3l}}$$

AIPMT 2007

MCQ (Single Correct Answer)

-1

A wheel has angular acceleration of 3.0 rad/sec² and an initial angular speed of 2.00 rad/sec. In a time of 2 sec it has rotated through an angle (in radian) of

AIPMT 2007

MCQ (Single Correct Answer)

-1

Which one of the following represents forward bias diode ?

AIPMT 2007 Physics - Semiconductor Electronics Question 109 English Option 1

AIPMT 2007 Physics - Semiconductor Electronics Question 109 English Option 2

AIPMT 2007

MCQ (Single Correct Answer)

-1

Assuming the sun to have a spherical outer surface of radius r, radiating like a black body at temperature t^oC, the power received by a unit surface, (normal to the incident rays) at a distance R from the centre of the sun is
where $$\sigma $$ is the Stefan's constant.

$${{{r^2}\sigma {{\left( {t + 273} \right)}^4}} \over {4\pi {R^2}}}$$

$${{16{\pi ^2}{r^2}\sigma {t^4}} \over {{R^2}}}$$

$${{{r^2}\sigma {{\left( {t + 273} \right)}^4}} \over {{R^2}}}$$

$${{4\pi {r^2}\sigma {t^4}} \over {{R^2}}}$$

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