NAT I Medical Physics MCQs With Answers

A person standing near the track of  a fast moving train has tendency to fall towards it because of

A bullet is short from a rifle. As a result the rifle recoils, The kinetic energy of rifle as compared to that of bullet is

What remains constant in the field of central force?

The excess (equal in number) of electrons that must be placed on each of two small spheres spaced 3 cm apart. with force of repulsion between the spheres to be 10^-19 N is

A force of 10N is acting along y-axis its component along x-axis is

Two point charges placed at distance of 20 cm in air repel each other with a certain force.When a dielectric slab of thickness 8 cm and dielectric constant K is introduced between these point charges force of interaction becomes half of its previous value Then K is approximately.

According to the Hooke's law the force required to change the length of a wire by '1' is proportional to

In an L-R circuit time constant is that time in which current grows from zero to the value

The mass defect for the nucleus of helium is 0.0303 a.m.u What is the binding energy per nucleon for helium in MeV?