﻿ NEET Physics Solved Question Paper 2009 | Previous Year Papers | Zigya

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## NEET Physics Solved Question Paper 2009

#### Multiple Choice Questions

1.

An explosion blows a rock into three parts. Two parts go off at right angles to each other. These two are 1 kg first part moving with a velocity of 12 ms-1 and 2 kg second part moving with a velocity of 8 ms-1.If the third part flies off with a velocity of 4 ms-,its mass would be

• 5 kg

• 7 kg

• 17 kg

• 17 kg

3233 Views

2.

If the dimensions of a physical quantity are given by Ma Lb Tc, the physical quantity will be

• pressure if a = 1, b = -1, c= 2

• velocity if a = 1, b = 1, c = -2

• acceleration if a = 1, b = 1, c =-2

• acceleration if a = 1, b = 1, c =-2

729 Views

3.

Under the influence of a uniform magnetic field, a charged particle moves with constant speed v in a circle of radius R. The time period of rotation of the particle

• depends on v and not on R

• depends on R and not on v

• is independent of both v and R

• is independent of both v and R

468 Views

4.

A body mass 1 kg is thrown upwards with velocity 20 ms-1. It momentarily comes to rest after attaining a height of 18 m. How much energy is lost due to air friction?  (g = 10 ms-2)

• 20 J

• 30 J

• 40 J

• 40 J

760 Views

5.

The mass of a lift is 2000 kg. When the tension in the supporting cable is 28000 N, then its acceleration is

• 30 ms-2 downward

• 4 ms-2  upwards

•  4 ms-2  downwards

•  4 ms-2  downwards

1715 Views

6.

A particle starts its motion from rest under the action of a constant force. If the distance covered in first 10 s is s1 and that covered in the first 20 s is s2, then

• s2 = 2s1

• s2 = 3s1

• s2 = 4 s1

• s2 = 4 s1

1104 Views

7.

A thin circular ring of mass M and radius R is rotating in a horizontal plane about an axis vertical to its plane with a constant angular velocity ω. If two objects each of mass m be attached gently to the opposite ends of a diameter of the ring. the ring will then rotate with an angular velocity

938 Views

8.

Two bodies of mass 1 kg have position vectors,  respectively.The centre of mass of this system has a position vector

888 Views

9.

Four identical thin rods each of mass M and length l , inertial form a square frame. moment of inertia of this frame about an axis through the centre of the square and perpendicular to this plane is

• 4Ml2/3

• 2Ml2/3

• 13Ml2/3

• 13Ml2/3

2228 Views

10.

The figure shows elliptical orbit of a planet m about the sun S. The shaded are SCD is twice the shaded area SAB. If t1 is the time for the planet to move from C to D and t2 is the time to move from A to B then,

• t1 > t2

• t1 =4 t2

• t1 = 2t2

• t1 = 2t2

1212 Views