AIPMT 2001 | NEET Year Wise Previous Years Questions

Biology

Chemistry

Physics

1. In Thomson mass spectrograph $$\overrightarrow E \bot \overrightarrow B $$ then the velocity of electron beam will be 2. If number of turns, area and current through a coil is given by n, A and $$i$$ respectively then its magnetic moment wil 3. An electron having mass m and kinetic energy E anter in uniform magnetic field B perpendiculaly, then its frequency will 4. Among which the magnetic susceptibility does not depened on the temperature ? 5. Tangent galvanometer is used to measure 6. For a coil having L = 2 mH, current flow through it is $$I = {t^2}{e^{ - t}}$$ then, the time at which emf become zero 7. A capacitor of capacity C has reactance X. If capacitance and frequency become double then reactance will be 8. The value of quality factor is 9. Biological inportance of ozone layer is 10. A disc is placed on a surface of pond which has refractive index 5/3. A source of light is placed 4 m below the surface 11. Optical fibre are based on 12. A ray of light travelling in air have wavelength $$\lambda $$, frequency n, velocity v and intensity $$I$$. If this ray 13. If specific resistance of a potentiometer wire is 10-7$$\Omega $$ m and current flow through it is 0.1 amp., cross-secti 14. Which one among the following shows particle nature of light? 15. A photo-cell is illuminated by a source of light, which is placed at a distance d from the cell. If the distance become 16. X(n, $$\alpha $$) $${}_3^7$$Li, then X will be 17. The interplanar distance in a crystal is 2.8 $$ \times $$ 10$$-$$8 m. The value of maximum wavelength which can be diffr 18. The energy of hydrogen atom in nth orbit is En then the energy in nth orbit of singly ionised helium atom will be 19. Mn and Mp represent the mass of neutron and proton respectively. An element having mass M has N neutrons and Z protons, 20. Energy released in nuclear fission is due to 21. The current in the circuit will be 22. With what velocity should a particle be projected so that its height becomes equal to radius of earth? 23. A particle is thrown vertically upward. Its velocity at half of the height is 10 m/s, then the maximum height attained b 24. If $$\left| {\overrightarrow A + \overrightarrow B } \right| = \left| {\overrightarrow A } \right| + \left| {\overright 25. Two particles having mass M and m are moving in a circular path having radius R and r. If their time period are same th 26. 250 N force is required to raise 75 kg mass from a pulley. If rope is pulled 12 m then the load is lifted to 3 m. the ef 27. On the horizontal surface of a truck a block of mass 1 kg is placed (m = 0.6) and truck is moving with acceleration 5 m/ 28. A cricketer catches a ball of mass 150 gm in 0.1 sec moving with speed 20 m/s, then he experiences force of 29. A 1 kg stationary bomb is exploted in three parts having mass 1 : 1 : 3 respectively. Parts having same mass move in per 30. A child is sitting on a swing. Its minimum and maximum heights from the ground 0.75 m and 2 m respectively, its maximum 31. Two springs A and B having spring constant KA and KB (KA = 2KB) are stretched by applying force of equal magnitude. If e 32. A particle is projected making an angle of 45o with horizontal having kinetic energy K. The kinetic energy at highest po 33. A disc is rolling, the velocity of its centre of mass is vcm. Which one will be correct? 34. The given truth table is for which logic gate             & 35. A cylindrical rod having temperature T1 and T2 at its end. The rate of flow of heat Q1 cal/sec. If all the linear dimens 36. A scientist says that the efficiency of his heat engine which work at source temperature 127oC and sink temperature 27oC 37. The total energy of particle performing SHM depend on 38. Two waves having equation x1 = $$a$$sin($$\omega $$t $$-$$ kx + $$\phi $$1), x2 = asin($$\omega $$t $$-$$kx + $$\phi $$2 39. The equation of a wave is represented by y $$=$$ 10$$-$$4 sin(100t $$-$$ $${x \over {10}}$$) m. then the velocity of w 40. If the tension and diameter of a sonometer wire of fundamental frequency n is doubled and density is halved then its fun 41. A dipole of dipole moment $$\overrightarrow p $$ is placed in uniform electric field $$\overrightarrow E $$ then torque 42. A charge Q$$\mu $$C is placed at the centre of a cube, the flux coming out from each face will be 43. Energy per unit volume for a capacitor having area A and separation d kept at potential difference V is given by 44. Copper and silicon is cooled from 300 K to 60 K , the specific resistance 45. The resistance of each arm of the Wheatstone's bridge is 10 ohm. A resistance of 10 ohm is connected in series with a ga 46. The dimensions of Planck's constant equals to that of

AIPMT 2001

MCQ (Single Correct Answer)

-1

Biological inportance of ozone layer is

it stops ultraviolet rays

ozone layer reduces green house effect

ozone layer reflects radio waves

ozone layer controls O₂/H₂ ratio in atmosphertte.

AIPMT 2001

MCQ (Single Correct Answer)

-1

A disc is placed on a surface of pond which has refractive index 5/3. A source of light is placed 4 m below the surface of liquid. The minimum radius of disc needed so that light is not coming out is,

$$\infty $$

3 m

6 m

4 m

AIPMT 2001

MCQ (Single Correct Answer)

-1

Optical fibre are based on

total internal reflection

less scattering

refraction

less absorption coefficient.

AIPMT 2001

MCQ (Single Correct Answer)

-1

A ray of light travelling in air have wavelength $$\lambda $$, frequency n, velocity v and intensity $$I$$. If this ray enters into water then these parameters are $$\lambda $$', n', v' and $$I$$' respectively. Which relation is correct from following ?

$$\lambda $$ = $$\lambda $$'

n = n'

v = v'

$$I$$ = $$I$$'.

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