NEET (UG) entrance exam Question Bank Solutions for Physics

Light energy that gives us sensation of vision is

In a two dimensional motion, instantaneous speed v0 is a positive constant. Then, which of the following are necessarily true?

Light appears to travel in straight lines since

The velocity (v) of a particle (under a force F) depends on its distance (x) from the origin (with x > 0) v `oo 1/sqrt(x)`. Find how the magnitude of the force (F) on the particle depends on x.

Which of the following proves particle nature of light?

The motion of the centre of mass depends on

If the temperature of a semiconductor is increased, then the forbidden gap will

Atoms have a radius of the order ______.

A rope of length 20 m is kept on a frictionless surface and a force of 5 N is applied to one of its ends. Find the tension in the rope at 5 m from this end.

The dielectric constant of a medium is also known as ______

For a system of particles and rigid body,

When two displacements represented by y₁ = a sin(ωt) and y₂ = b cos(ωt) are superimposed the motion is ______. 

The magnetism of a magnet is due to ______

Which of the following phenomena makes use of electromagnetic induction?

Which of the following device is an example of point-to-point communication mode?

A simple pendulum of frequency n falls freely under gravity from a certain height from the ground level. Its frequency of oscillation.

When a wave undergoes refraction ______.

If the velocity of a particle is v = At + Bt², where A and B are constants, then the distance travelled by it between 1s and 2s is

A spiral spring is stretched by a weight. The strain will be: 

Select the WRONG statement in case of image formed by a plane mirror.