NEET (UG) entrance exam Question Bank Solutions for Physics

A body starts from rest and is acted on by a constant force. The ratio of kinetic energy gained by it in the first five seconds to that gained in the next five-second is:

A wire placed along north south direction carries a current of 5A from south to north. Find the magnetic field due to a 1m piece of wire at a point 200 cm north east from the piece.

A system consisting of two masses connected by a massless rod lie along the x-axis. A 0.4 kg mass is at a distance x = 2m while a 0.6 kg mass is at a distance x = 7 m. The x-coordinate of the centre of mass is:

A bar magnet of magnetic moment 3.0 Am is placed in a uniform magnetic field of 2 × 10^-5T. If each pole of the magnet experience a force of 6 × 10^-4 N, the length of the magnet is ______.

For a metallic wire, the ratio V/I ______

(V = the applied potential difference, I = current flowing)

A planet has same density and same acceleration due to gravity as of earth and universal gravitational constant G is twice of earth. The ratio of their radius:

Young's modulus of a perfectly rigid body is ______.

SONAR emits which of the following waves?

If λ_v, λ_x and λ_m Am represents the wavelength of visible light, x-ray and microwaves respectively, then ______.

When a particle executing S.H.M oscillates with a frequency v, then the kinetic energy of the particle? 

The wavelength of light used in young.'s double slit experiment is λ. The intensity at a point on the screen is I where the path difference is λ/6. If I₀ denotes the maximum intensity, then the ratio of I and I₀ is ______.

Magnetic dipole moment is a ______

Lenz's law gives ______

All components of the electromagnetic spectrum in a vacuum have the same ______

When the displacement of a particle executing simple harmonic motion is half its amplitude, the ratio of its kinetic energy to potential energy is ______.

The centre of mass of a body ______.

If a body is executing simple harmonic motion and its current displacements is `sqrt3/2` times the amplitude from its mean position, then the ratio between potential energy and kinetic energy is:

If E and G respectively denote energy and gravitational constant, then `"E"/"G"` has the dimensions of ______.

A body is executing simple harmonic motion with frequency ‘n’, the frequency of its potential energy is ______.

A body is executing simple harmonic motion with frequency ‘n’, the frequency of its potential energy is ______.