NEET Questions - Physics

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A branch of physics dealing with motion without considering its causes is known as ....

Kinematicas
dynamics
Hydrodynemics
mechanics

To locate the position of the particle we need ...

a frame of referance
direction of the particle
size of the particle
mass of the particle

Two pulley arrangements of figure given are identical. The mass of the rope is negligible. In fig (a), the mass m is lifted by attaching a mass 2m to the other end of the rope. In fig (b), m is lifted up by pulling the other end of the rope with a constant downward force F = 2mg. The acceleration of m in the two cases are respectively

3g, g
g/3, g
g, g/3
g/3, 2g

A car goes from one end to the other end of a semicircular path of diameter ‘d’. Find the ratio between path legth and displacement.

$ 3 \pi / 2 $
$ \pi $
2
$ \pi / 2 $

The ratio of pathlength and the respective time interval is

Mean Velocity
M ean speed
instantaneous velocity
instantaneous speed

A car covers one third part of its straight path with speed $V_1$ and the rest with speed $V_2$. What is its average speed ?

$ { 3 v_1 v_2 \over 2v_1 + v_2 } $
$ { 2 v_1 v_2 \over 3v_1 + v_2 } $
$ { 3 v_1 v_2 \over v_1 + 2v_2 } $
$ { 3 v_1 v_2 \over 2v_1 + 2v_2 } $

Rohit completes a semicircular path of radius R in 10 seconds. Calculate average speed and average velocity in $ms^{–1}$.

$ { 2 \pi R \over 10}, { 2R \over 10} $
$ { \pi R \over 10}, { R \over 10} $
$ { \pi R \over 10}, { 2R \over 10} $
$ { 2 \pi R \over 10}, { R \over 10} $

A particle moves 4m in the south direction. Then it moves 3m in the west direction. The time taken by the particle is 2 second. What is the ratio between average speed and average velocity ?

5/7
7/5
14/5
5/14

What does the speedometer measure kept in motorbike ?

Average Velocity
Average speed
instantaneous speed
instantaneous Velocity

A particle is thrown in upward direction with initial velocity $V_0$. It crosses point P at height h at time $t_1$ and $t_2$ so $t_1 t_2$ =

$ 2h / g $
$ V_0^2 / 2g $
$ 2V_0 ^2 / g$
$ h / 2g $

Ball A is thrown in upward from the top of a tower of height h. At the same time ball B starts to fall from that point. When A comes to the top of the tower, B reaches the ground. Find the the time to reach maximum height for A.

$ \sqrt { h \over g } $
$ \sqrt { 2h \over g } $
$ \sqrt { h \over 2g } $
$ \sqrt { 4h \over g } $

Slope of the velocity-time graph gives............ of a moving body.

displacement
acceleration
initial velocity
final velocity

The intercept of the velocity-time graph on the velocity axis gives.

initial velocity
final velocity
average velocity
instantaneous velocity

In a uniformly accelerated motion the slope of velocity - time graph gives ....

The instantaneous velocity
The acceleration
The initial velocity
The final velocity

The area covered by the curve of V – t graph and time axis is equal to magnitude of ..

change in velocity
change in acceleration
displacement
final velocity

NEET Physics Questions: Kinematics