﻿ NEET Physics Solved Question Paper 2014 | Previous Year Papers | Zigya

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## NEET Physics Solved Question Paper 2014

#### Multiple Choice Questions

1.

Consider three vectors  and . A vector X of the form  (α and β are numbers) is perpendicular to C. The ratio of α and β is

• 1 : 1

• 2 : 1

• − 1 : 1

• 3 : 1

2.

In which of the following pairs, the two physical quantities have different dimensions ?

• Planck's constant and angular momentum

• Impulse and linear momentum

• Moment of inertia and moment of a force

• Energy and torque

3.

A cricket ball thrown across a field is at heights h1 and h2 from the point of projection at times t1 and t2 respectively after the throw. The ball is caught by a fielder at the same height as that of projection. The time of flight of the hall in this journey is

4.

A wooden block is floating on water kept in a beaker. 40% of the block is above the water surface. Now the beaker is kept inside a lift that starts going upward with acceleration equal to g/2. The block will then

• sink

• float with 10% above the water surface

• float with 40% above the water surface

• float with 70% above the water surface

5.

A smooth massless string passes over a smooth fixed pulley. Two masses m1 and m2, (m1 > m2) are tied at the two ends of the string. The masses are allowed to move under gravity starting from rest. The total external force acting on the two masses is

• (m1 + m2) g

• (m1 − m2) g

6.

To determine the coefficient of friction between a rough surface and a block, the surface is kept inclined at 45° and the block is released from rest. The block takes a time t in moving a distance d. The rough surface is then replaced by a smooth surface and the same experiment is repeated. The block now takes a time t/2 in moving down the same distance d. The coefficient of friction is

• 3/4

• 5/4

• 1/2

• $1/\sqrt{2}$

7.

A particle is moving uniformly in a circular path of radius r. When it moves through an angular displacement θ, then the magnitude of the corresponding linear displacement will be

8.

A uniform rod is suspended horizontally from its mid- point. A piece of metal whose weight is w is suspended at a distance l from the mid-point. Another weight w1 is suspended on the other side at a distance l1 from the mid-point to bring the rod to a horizontal position. When w is completely immersed in water, w1 needs to be kept at a distance l1 from the mid-point to get the rod back into horizontal position. The specific gravity of the metal piece is

• $\frac{\mathrm{w}}{{\mathrm{w}}_{1}}$

• $\frac{{\mathrm{l}}_{1}}{{\mathrm{l}}_{2}}$

9.

A particle moves with constant acceleration along a straight line starting from rest. The percentage increase in its displacement during the 4th second compared to that in the 3rd second is

• 33 %

• 40 %

• 66 %

• 77 %

10.

An artificial satellite moves in a circular orbit around the earth. Total energy of the satellite is given by E. The potential energy of the satellite is

• - 2E

• 2E

• $\frac{2\mathrm{E}}{3}$