NEET Physics MCQs

A spring of force constant 'k' is compressed by a distance 'x' and used to launch a block of mass 'm' up a frictionless incline of angle $heta$. What is the maximum distance 'd' the block travels along the incline before momentarily coming to rest?

Two particles of masses $m_1$ and $m_2$ are connected by a light inextensible string passing over a smooth pulley. If the system is released from rest, and $m_1 > m_2$, what is the magnitude of the change in gravitational potential energy of the system when $m_1$ descends a distance $h$?

If the mass of an object is doubled while keeping its height constant, its gravitational potential energy will:

A ball is held at a height of 2 meters above the ground. Which of the following best describes its potential energy?

Two identical balls are held at different heights above the ground. The ball held at the greater height has:

A planet has a radius R and density $\rho$. A satellite is launched from its surface with a speed $v = \sqrt{\frac{8}{9} \frac{4\pi G\rho R^2}{3}}$. The maximum height attained by the satellite above the planet's surface is:

A binary star system consists of two stars of masses $M$ and $2M$ separated by a distance $d$. A small asteroid of mass $m$ is placed on the line joining the two stars at a distance $x$ from the star of mass $M$. If the net gravitational force on the asteroid is zero, the gravitational potential energy of the asteroid is:

A particle is projected vertically upwards from the surface of Earth with a velocity equal to half the escape velocity. Neglecting air resistance, what fraction of its initial kinetic energy will be its gravitational potential energy at the highest point?

Two spherical shells of masses $M$ and $2M$ and radii $R$ and $2R$ respectively are placed with their centres separated by a distance $5R$. A particle of mass $m$ is placed initially at the centre of the smaller shell. The minimum work required to move the particle to the centre of the larger shell is:

A satellite is orbiting Earth in a circular orbit of radius $R$. Its gravitational potential energy is $U$. If its orbital radius is doubled, its new gravitational potential energy will be: