﻿ NEET Physics Solved Question Paper 2007 | Previous Year Papers | Zigya

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## NEET Physics Solved Question Paper 2007

#### Multiple Choice Questions

1.

A bomb of mass 30 kg at rest explodes into two pieces of masses 18 kg and 12 kg. The velocity of 18 kg mass is 6 ms'.The kinetic energy of the other mass is

• 256 J

• 486 J

• 524 J

• 324 J

2.

A drum of radius R and mass M, rolls down without slipping along an inclined plane of angle θ. The frictional force

• converts translational energy to rotational energy

• dissipates energy as heat

• decreases the rotational motion

• decreases the rotational and translational motion

3.

Imagine a new planet having the same density as that of earth but it is 3 times bigger than the earth in size. If the acceleration due to gravity on the surface of earth is g and that on the surface of the new planet is g', then

• g' = 3g

• g' = 9g

• g' = 27g

4.

If a vector is perpendicular to the vector , then the value of α is

• -1

• $\frac{1}{2}$

• $-\frac{1}{2}$

• 1

5.

A force F acting on an object varies with distance x as shown here. The force is in newton and distance is in metre. The work done by the force in moving the object from x = 0 to x = 6 m is

• 4.5 J

• 13.5 J

• 9.0

• 18.0 J

6.

Two boys are standing at the ends A and B of a ground, where AB = a. The boy at B starts running in a direction perpendicular to AB with velocity v1 The boy at A starts running simultaneously with velocity v and catches the other boy in a time t, where t is

7.

A 5 A fuse wire can withstand a maximum power of 1 W in circuit. The resistance of the fuse wire is

• 0.2 Ω

• 5 Ω

• 0.4 Ω

• 0.04 Ω

8.

If the angle between the vectors , the value of the product  is equal to

• BA2 sinθ

• BA2 sinθ cosθ

• zero

9.

The moment of inertia of a uniform circular disc of radius R and mass M about an axis passing from the edge of the disc and normal to the disc is

• MR2

10.

A ball is thrown vertically upward. It has a speed of 10 m/s when it has reached one-half of its maximum height. How high does the ball rise? ( Take, g = 10 m/s2 )

• 15 m

• 10 m

• 20 m

• 5 m