JEE MAINS QUIZ 1: PREVIOUS YEAR QUESTIONS

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Created on June 07, 2025 By skverma.verma29@gmail.com
PHYSICS FOR NEET

JEE MAINS QUIZ 1: PREVIOUS YEAR QUESTIONS PRACTICE

JEE MAINS QUIZ 1: BOOST YOUR SCORE WITH PAST QUESTIONS

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1. (JEE MAIN 2002 MATH):-

A problem in mathematics is given to three students A, B,C and their respective probability of solving the problem is 1/2, 1/3 and 1/4. Probability that the problem is solved is

a) 1/3

b) 3/4

c) 1/2

d) 2/3

2 / 44

2. (JEE MAIN 2002 MATH):-

A plane which passes through the point (3, 2, 0) and the line (x−4)/
1 = (y−7)/5 = (z−4)/4 is

a) x + 2y - z = 1

b) x + y + z = 5

c) 2x - y + z = 5

d) x - y + z = 1

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3. (JEE MAIN 2002 MATH):-

A and B are events such that P(A ∪ B) = 3/4, P(A ∩ B) = 1/4, P(A¯) = 2/3 then P(A¯ ∩ B) is

a) 1/4

b) 5/8

c) 5/12

d) 3/8

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4. (JEE MAIN 2002 MATH):-

The d.r. of normal to the plane through (1, 0, 0), (0, 1, 0) which makes an angle π/4 with plane x + y = 3 are

a) √2, 1, 1

b) 1, 1,√2

c) 1,√2, 1

d) 1, 1, 2

5 / 44

5. (JEE MAIN 2002 MATH):-

A die is tossed 5 times. Getting an odd number is considered a success. Then the variance of distribution of success is

a) 5/4

b) 4/5

c) 3/8

d) 8/3

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1. (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 / 2

c) v

d) zero

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2. (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) mvL

b) mvl

c) mvr

d) zero

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3. (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/mF1

d) (F2 − F3)/m

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4. (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

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5. (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) 120

b) 80

c) 20

d) 40

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6. (JEE MAIN 2002 PHYSICS):

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

a) MR2

b) 2MR2

c) MR2/4

d) MR2/2

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7. (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) 288 cps

b) 292 cps

c) 294 cps

d) 286 cps

13 / 44

8. (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) increases if the child is tall and decreases if the child is short

c) increase

d) decrease

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9. (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)

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

a) force and stress

b) torque and work

c) stress and energy

d) force and work

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11. (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) 24/16

b) 12/7

c) 7/5

d) 2/5

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12. (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) remain same

c) decrease

d) decrease for some, while increase for others

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13. (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

b) T/√n

c) T√n

d) nT

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14. (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 - a, g - a

b) g - a, g

c) g, g

d) a, g

20 / 44

15. (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) 9.2

c) 9.8

d) 4

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16. (JEE MAIN 2002 PHYSICS):

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

a) GMm/8R

b) GMm/12R2

c) GMm/3R2

d) GMm/6R

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17. (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) 10 N, 8 N

b) 13 N, 5 N

c) 16 N, 2 N

d) 12 N, 6 N

23 / 44

18. (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 : 4

b) 1 : 16

c) 1 : 8

d) 1 : 1

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19. (JEE MAIN 2002 PHYSICS):-

In a simple harmonic oscillator, at the mean position

a) kinetic energy is minimum, potential energy is maximum

b) kinetic energy is maximum, potential energy is minimum

c) both kinetic and potential energies are minimum

d) both kinetic and potential energies are maximum

25 / 44

20. (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) VA = VB

c) their velocities depend on their masses

d) VB > VA

26 / 44

21. (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) 9 : 7

b) 8 : 1

c) 4 : 3

d) 5 : 3

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22. (JEE MAIN 2002 PHYSICS):

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

a) mgR/4

b) 2mgR

c) mgR/2

d) mgR

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23. (JEE MAIN 2002 PHYSICS):-

Even Carnot engine cannot give 100% efficiency because we cannot

a) prevent radiation

b) find ideal sources

c) eliminate friction

d) reach absolute zero temperature

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24. (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) 4 : 1

b) 1 : 4

c) 1 : 2

d) 2 : 1

30 / 44

25. (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) ZERO

b) E / 2

c) E

d) E / ROOT 2

31 / 44

26. (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) 4 : 1

b) 1 : 1

c) 5 : 3

d) 16 : 1

32 / 44

27. (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) 24 J

b) 32 J

c) 8 J

d) 16 J

33 / 44

28. (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 = wsin θ R = wcot θ

b) T = wcos θ R = wtan θ

c) T = w R = wsin θ

d) T = 2w cos θ R = w

34 / 44

29. (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) 60

c) 25

d) 30

35 / 44

30. (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) move tangentially to the originally orbit in the same velocity

b) move towards the earth.

c) become stationary in its orbit

d) continue to move in its orbit with same velocity

36 / 44

31. (JEE MAIN 2002 PHYSICS):-

Which statement is incorrect?

a) Carnot cycle is a reversible one

b) Carnot cycle has the maximum efficiency in all cycles

c) all reversible cycles have same efficiency

d) reversible cycle has more efficiency than an irreversible on

37 / 44

32. (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) θc − θi = 2θn

b) θi − θc = 2θn

c) θi + θc = θn

d) (θi+θc) / 2 = θn

38 / 44

33. (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

39 / 44

34. (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) 8

c) 16

d) 4

40 / 44

35. 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) 73 K

b) 20 K

c) 3 K

d) 80 K

41 / 44

36. (JEE MAIN 2002 PHYSICS):

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

a) thermal capacity

b) temperature gradient

c) water equivalent

d) specific heat

42 / 44

37. 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)/ m ))ω1

d) ( M/ (M+2m ))ω1

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38. (JEE MAIN 2002 PHYSICS):-

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

a) black board paint

b) green leaves

c) red roses

d) black holes

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39. (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

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