JEE 2002 PHYSICS QUESTIONS: QUIZ

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Created on June 15, 2025 By skverma.verma29@gmail.com
MISCELLANEOUS QUIZ

JEE 2002 PHYSICS QUESTIONS QUIZ : TEST YOUR CONCEPTS

JEE MAINS 2002 PHYSICS MCQ PRACTICE – REAL EXAM QUESTIONS

CRACK JEE WITH PAST QUESTIONS: 2002 PHYSICS QUIZ

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1. (JEE MAIN 2002 PHYSICS):-

A child swinging on a swing in sitting position, stands up, then the time period of the swing will

a) remains same

b) increase

c) increases if the child is tall and decreases if the child is short

d) decrease

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2. (JEE MAIN 2002 PHYSICS):-

Which of the following is used in optical fibres ?

a) diffraction

b) scattering

c) refraction

d) total internal reflection

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3. (JEE MAIN 2002 PHYSICS):-

If a charge q is placed at the centre of the line joining two equal charges Q such that the system is in
equilibrium then the value of q is

a) Q/2

b) −Q/4

c) Q/4

d) −Q/2

4 / 67

4. (JEE MAIN 2002 PHYSICS):-

Capacitance (in F ) of a spherical conductor with radius 1 m is

a) 10 power −6

b) 9 × 10 power−9

c) 10 power −3

d) 1.1 × 10 power10

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5. If in the circuit, power dissipation is 150 W, then R is

a) 6Ω

b) 4Ω

c) 5Ω

d) 2Ω

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6. (JEE MAIN 2002 PHYSICS):-

1 mole of a gas with y=7/5 is mixed with 1 mole of a gas with y=5/3 , then the value of for the resulting mixture is

a) 7/5

b) 12/7

c) 24/16

d) 2/5

7 / 67

7. (JEE MAIN 2002 PHYSICS):

A bead of weight can slide on smooth circular wire in a vertical plane. The bead is attached by a light thread to the highest point of the wire and in equilibrium, the thread is taut and make an angle with the vertical then tension of the thread and reaction of the wire on the bead are

a) T = 2w cos θ R = w

b) T = w R = wsin θ

c) T = wcos θ R = wtan θ

d) T = wsin θ R = wcot θ

8 / 67

8. (JEE MAIN 2002 PHYSICS):

Heat given to a body which raises its temperature by 1 degree c is

a) specific heat

b) water equivalent

c) thermal capacity

d) temperature gradient

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9. (JEE MAIN 2002 PHYSICS):

A lift is moving down with acceleration a. A man in the lift drops a ball inside the lift. The acceleration of the ball as observed by the man in the lift and a man standing stationary on the ground are respectively

a) g, g

b) g - a, g

c) g - a, g - a

d) a, g

10 / 67

10. (JEE MAIN 2002 PHYSICS):

TWO FORCES ARE SUCH THAT THE SUM OF THEIR MAGNITUDES IS 18 N AND THEIR RESULTANT IS 12 N WHICH IS PERPENDICULAR TO THE SMALLER FORCE. THEN THE MAGNITUDES OF THE FORCES ARE

a) 16 N, 2 N

b) 10 N, 8 N

c) 13 N, 5 N

d) 12 N, 6 N

11 / 67

11. (JEE MAIN 2002 PHYSICS):-

A conducting square loop of side L and R resistance moves in its plane with a uniform velocity v
perpendicular to one of its sides. A magnetic induction B constant in time and space, pointing perpendicular and into the plane at the loop exists everywhere with half the loop outside the field, as shown in figure. The induced emf is

a) RvB

b) VBL/R

c) zero

d) VBL

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12. (JEE MAIN 2002 PHYSICS):-

The mass of product liberated on anode in an electrochemical cell depends on (where t is the time period, for which the current is passed)

a) I power2 t

b) (It) power 1/2

c) IT

d) I/t

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13. (JEE MAIN 2002 PHYSICS):

A solid sphere, a hallow sphere and a ring are released from top of an inclined plane (frictionless) so that they slide down the plane. Then maximum acceleration down the plane is for (no rolling)

a) solid sphere

b) ring

c) hollow sphere

d) all same

14 / 67

14. (JEE MAIN 2002 PHYSICS):-

Length of a string tied to two rigid supports is 40 cm. Maximum length (wave length in cm) of a stationary
wave produced on it is

a) 40

b) 80

c) 120

d) 20

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15. (JEE MAIN 2002 PHYSICS):-

A charged particle is placed at the centre of cube of length (A B C D E F G H). Another same charge is placed at a distance from . Then the electric flux through ABCD is

a) q/2πϵ0L

b) zero

c) q/4πϵ0L

d) q/3πϵ0L

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16. (JEE MAIN 2002 PHYSICS):-

The time period of a charged particle undergoing a circular motion in a uniform magnetic field is independent of its

a) charge

b) speed

c) mass

d) magnetic induction

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17. (JEE MAIN 2002 PHYSICS):

Moment of inertia of a circular wire of mass M and radius R about its diameter is

a) MR2/4

b) MR2

c) 2MR2

d) MR2/2

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18. (JEE MAIN 2002 PHYSICS):-

Which statement is incorrect?

a) reversible cycle has more efficiency than an irreversible on

b) all reversible cycles have same efficiency

c) Carnot cycle is a reversible one

d) Carnot cycle has the maximum efficiency in all cycles

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19. (JEE MAIN 2002 PHYSICS):-

An astronomical telescope has a large aperture to

a) have low dispersion

b) have high resolution

c) reduce spherical aberration

d) increase span of observation

20 / 67

20. (JEE MAIN 2002 PHYSICS):

A spring of force constant 800 N/m has an extension of 5 cm. The work done is extending it from 5 cm to 15 cm is

a) 8 J

b) 24 J

c) 16 J

d) 32 J

21 / 67

21. (JEE MAIN 2002 PHYSICS):-

A wire when connected to 220 V mains supply has power dissipation P1. Now the wire is cut into two equal pieces which are connected in parallel to the same supply. Power dissipation in this case is P2 Then P2 : P1 is

a) 4

b) 3

c) 2

d) 1

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22. (JEE MAIN 2002 PHYSICS):

(JEE MAIN 2002 PHYSICS):

One end of a massless rope, which passes over a massless and frictionless pulley P is tied to a C hook while the other end is free. Maximum tension that the rope can bear is 360N . With what value of maximum safe acceleration (in ms-2 ) can a man of 60 kg climb on the rope?

a) 6

b) 16

c) 8

d) 4

23 / 67

23. (JEE MAIN 2002 PHYSICS):-

If a current is passed through a spring then the spring will

a) insulator

b) compress

c) none of these

d) expand

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24. (JEE MAIN 2002 PHYSICS):-

Wavelength of light used in an optical instrument are λ1 = 4000Å and λ2 = 5000Å , then ratio of their respective resolving powers (corresponding λ1 to λ2 and ) is

a) 16 : 25

b) 9 : 1

c) 4 : 5

d) 5 : 4

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25. (JEE MAIN 2002 PHYSICS):

If suddenly the gravitational force of attraction between Earth and a satellite revolving around it becomes zero, then the satellite will

a) continue to move in its orbit with same velocity

b) become stationary in its orbit

c) move tangentially to the originally orbit in the same velocity

d) move towards the earth.

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26. (JEE MAIN 2002 PHYSICS):-

A tuning fork arrangement (pair) produces 4 beats / sec with one fork of frequency 288 cps. A little wax is
placed on the unknown fork and it then produces 2 beats /sec. The frequency of the unknown fork is

a) 286 cps

b) 294 cps

c) 288 cps

d) 292 cps

27 / 67

27. (JEE MAIN 2002 PHYSICS):-

Infra red radiation is detected by

a) nanometer

b) photometer

c) pyrometer

d) spectrometer

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28. (JEE MAIN 2002 PHYSICS):-

Even Carnot engine cannot give 100% efficiency because we cannot

a) find ideal sources

b) reach absolute zero temperature

c) eliminate friction

d) prevent radiation

29 / 67

29. (JEE MAIN 2002 PHYSICS)

When temperature increases, the frequency of a tuning fork

a) remains same

b) increases or decreases depending on the material

c) decreases

d) increases

30 / 67

30. (JEE MAIN 2002 PHYSICS):-

If in a circular coil A of radius R , current I is flowing and in another coil B of radius 2R a current 2l is flowing, then the ratio of the magnetic fields B_Aand

B_B, produced by them will be

a) 1/2

b) 2

c) 4

d) 1

31 / 67

31. (JEE MAIN 2002 PHYSICS):

Three identical blocks of masses are drawn by a force with an acceleration of
on a frictions surface, then what is the tension (in ) in the string between the blocks and ?

a) 7.8

b) 4

c) 9.2

d) 9.8

32 / 67

32. (JEE MAIN 2002 PHYSICS):-

Cooking gas containers are kept in a lorry moving with uniform speed. The temperature of the gas molecules inside will

a) increase

b) decrease

c) decrease for some, while increase for others

d) remain same

33 / 67

33. (JEE MAIN 2002 PHYSICS):

Two identical particles move towards each other with velocity 2v and v respectively. The velocity of centre of mass is

a) v / 3

b) v

c) v / 2

d) zero

34 / 67

34. (JEE MAIN 2002 PHYSICS):-

If two mirrors are kept at 60∘ to each other, then the number of images formed by them is

a) 6

b) 7

c) 8

d) 5

35 / 67

35. (JEE MAIN 2002 PHYSICS):

FROM A BUILDING TWO BALLS A AND B ARE THROWN SUCH THAT IS THROWN UPWARDS AND DOWNWARDS (BOTH VERTICALLY). IF VA AND VB ARE THEIR RESPECTIVE VELOCITIES ON REACHING THE GROUND, THEN

a) VA = VB

b) VB > VA

c) VA > VB

d) their velocities depend on their masses

36 / 67

36. (JEE MAIN 2002 PHYSICS):

Energy required to move a body of mass m from an orbit of radius 2R to 3R is

a) GMm/3R2

b) GMm/6R

c) GMm/12R2

d) GMm/8R

37 / 67

37. (JEE MAIN 2002 PHYSICS):-

By increasing the temperature, the specific resistance of a conductor and a semiconductor

a) decreases, increases

b) increases, decreases

c) increases for both

d) decreases for both

38 / 67

38. (JEE MAIN 2002 PHYSICS):-

Electromagnetic waves are transverse in nature is evident by

a) polarization

b) reflection

c) interference

d) diffraction

39 / 67

39. (JEE MAIN 2002 PHYSICS):

A particle of mass m moves along line PC with velocity v as shown. What is the angular momentum of the particle about P?

a) mvr

b) zero

c) mvl

d) mvL

40 / 67

40. (JEE MAIN 2002 PHYSICS):-

Which of the following are not electromagnetic waves?

a) gamma rays

b) β- rays

c) cosmic rays

d) X- rays

41 / 67

41. (JEE MAIN 2002 PHYSICS):-

If an ammeter is to be used in place of a voltmeter, then we must connect with the ammeter a

a) low resistance in series

b) high resistance in parallel

c) low resistance in parallel

d) high resistance in series

42 / 67

42. (JEE MAIN 2002 PHYSICS):-

Two spheres of the same material have radii 1 m and 4 m and temperatures 4000 K and 2000 K respectively.
The ratio of the energy radiated per second by the first sphere to that by the second is

a) 1 : 1

b) 4 : 1

c) 5 : 3

d) 16 : 1

43 / 67

43. (JEE MAIN 2002 PHYSICS):-

The power factor of an AC circuit having resistance (R) and inductance (L) connected in series and an angular velocity w is

a) R/(R power 2 + ω power 2 L power 2) power 1/2

b) R/(R power 2 − ω power 2 L power 2) power 1/2

c) R/ωL

d) ωL/R

44 / 67

44. (JEE MAIN 2002 PHYSICS):-

If an electron and a proton having same momenta enter perpendicular to a magnetic field, then

a) they will move undeflected

b) curved path of electron and proton will be same (ignoring the sense of revolution)

c) path of proton is more curved

d) curved path of electron is more curved than that of the proton

45 / 67

45. (JEE MAIN 2002 PHYSICS):

Speeds of two identical cars are u and 4u at the specific instant. The ratio of the respective distances in which the two cars are stopped from that instant is

a) 1 : 8

b) 1 : 4

c) 1 : 1

d) 1 : 16

46 / 67

46. Initial angular velocity of a circular disc of mass M is w1 . Then two small spheres of mass m are attached gently to diametrically opposite points on the edge of the disc. What is the final angular velocity of the disc?

a) (( M+m)/ m ))ω1

b) ( M /(M+4 m ))ω1

c) ( M/ (M+2m ))ω1

d) (( M+m) / M ))ω1

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47. (JEE MAIN 2002 PHYSICS):Identify the pair whose dimensions are equal

a) torque and work

b) stress and energy

c) force and work

d) force and stress

48 / 67

48. (JEE MAIN 2002 PHYSICS):

A light string passing over a smooth light pulley connects two blocks of masses m1 and m2 (vertically). If the acceleration of the system is g/8, then the ratio of the masses is

a) 4 : 3

b) 9 : 7

c) 8 : 1

d) 5 : 3

49 / 67

49. (JEE MAIN 2002 PHYSICS):-

Wires 1 and 2 carrying currents i¹ and i²respectively are inclined at an angle θ to each other. What is the force on a small element dl of wire 2 at a distance of from wire 1 (as shown in the figure) due to the magnetic field of wire 1 ?

a) μ0 /2πr i1i2 dl sin θ

b) μ0 /2πr i1i2dl tan θ

c) μ0/ 4πr i1i2dl sin θ

d) μ0 /2πr i1i2dl cos θ

50 / 67

50. (JEE MAIN 2002 PHYSICS):

A ball whose kinetic energy is E, is projected at an angle of 45 degree to the horizontal. The kinetic energy of the ball at the highest point of its flight will be

a) E / ROOT 2

b) ZERO

c) E / 2

d) E

51 / 67

51. (JEE MAIN 2002 PHYSICS):

If a body looses half of its velocity on penetrating 3 cm in a wooden block, then how much will it penetrate more before coming to rest?

a) 2 cm

b) 1 cm

c) 3 cm

d) 4 cm

52 / 67

52. (JEE MAIN 2002 PHYSICS):

A cylinder of height is 20 m completely filled with water. The velocity of efflux of water (in ms-1 ) through a small hole on the side wall of the cylinder near its bottom is

a) 20

b) 10

c) 5

d) 25.5

53 / 67

53. (JEE MAIN 2002 PHYSICS):-

Tube A has both ends open while tube B has one end closed, otherwise they are identical. The ratio of fundamental frequency of tube and is

a) 1 : 4

b) 4 : 1

c) 2 : 1

d) 1 : 2

54 / 67

54. (JEE MAIN 2002 PHYSICS):-

If there are n capacitors in parallel connected to V volt source, then the energy stored is equal to

a) 1/2n CV 2

b) 1/ 2 nCV2

c) CV2

d) CV

55 / 67

55. (JEE MAIN 2002 PHYSICS):-

On moving a charge of 20 coulombs by 2 cm, 2 J of work is done, then the potential difference between the points is

a) 8 V

b) 0.1 V

c) 2 V

d) 0.5 V

56 / 67

56. (JEE MAIN 2002 PHYSICS):

The kinetic energy needed to project a body of mass m from the earth surface (radius ) to infinity is

a) 2mgR

b) mgR

c) mgR/2

d) mgR/4

57 / 67

57. (JEE MAIN 2002 PHYSICS):

The minimum velocity (in ms-) with which a car driver must traverse a flat curve of radius and
coefficient of friction 0.6 to avoid skidding is

a) 15

b) 30

c) 60

d) 25

58 / 67

58. (JEE MAIN 2002 PHYSICS):-

In a simple harmonic oscillator, at the mean position

a) both kinetic and potential energies are maximum

b) kinetic energy is minimum, potential energy is maximum

c) kinetic energy is maximum, potential energy is minimum

d) both kinetic and potential energies are minimum

59 / 67

59. (JEE MAIN 2002 PHYSICS):-

A wave y = a sin(ωt − kx ) on a string meets with another wave producing a node at x = 0. Then the equation of the unknown wave is

a) y = −a sin(ωt + kx)

b) y = −a sin(ωt − kx)

c) y = a sin(ωt − kx)

d) y = a sin(ωt + kx)

60 / 67

60. (JEE MAIN 2002 PHYSICS):-

If ,Q(theta)1 is the inversion temperature Q(theta)n, is the neutral temperature Q(theta)c, is the temperature of the cold junction, then

a) θi + θc = θn

b) θi − θc = 2θn

c) (θi+θc) / 2 = θn

d) θc − θi = 2θn

61 / 67

61. (JEE MAIN 2002 PHYSICS):-

In a transformer, number of turns in the primary coil are 140 and that in the secondary coil are 280. If current in primary coil 4 A is , then that in the secondary coil is

a) 6 A

b) 2 A

c) 10 A

d) 4 A

62 / 67

62. (JEE MAIN 2002 PHYSICS):

When forces are F1, F2, F3 acting on a particle of mass m such that f2 and f3 are mutually perpendicular, then the particle remains stationary. If the force F1 is now removed then the acceleration of the particle is

a) F1/m

b) F2/m

c) (F2 − F3)/m

d) F2 F3/mF1

63 / 67

63. (JEE MAIN 2002 PHYSICS):-

If a spring has time period T and is cut into n equal parts, then the time period of each part will be

a) T√n

b) T/√n

c) nT

d) T

64 / 67

64. (JEE MAIN 2002 PHYSICS):-

The inductance between A and D is

a) 0.66 H

b) 3.66 H

c) 1 H

d) 9 H

65 / 67

65. At what temperature is the r.m.s. velocity of a hydrogen molecule equal to that of an oxygen molecule at 47 degree C

a) 20 K

b) 80 K

c) 73 K

d) 3 K

66 / 67

66. (JEE MAIN 2002 PHYSICS):-

Which of the following is more closed to a black body?

a) green leaves

b) black board paint

c) red roses

d) black holes

67 / 67

67. (JEE MAIN 2002 PHYSICS):-

Sodium and copper have work functions 2.3eV and 4.5eV respectively. Then the ratio of the wave lengths is nearest to

a) 1 : 2

b) 2 : 1

c) 4 : 1

d) 1 : 4

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