List of top Physics Questions asked in MHT CET

A ball of mass $ 0.25\, kg $ attached to the end of a string of length $ 1.96\, m $ is moving in a horizontal circle. The string will break if the tension is more than $ 25 \,N $ . What is the maximum speed with which ball can be moved?

A circular disc is to be made by using iron and aluminium, so that it aquires momentum of inertia about its geometrical axis. It is possible with

Four wires of the same material are stretched by the same load. Which one of them will elongate most if their dimensions are as follows

The increase in pressure required to decrease the $ 200 \,L $ volume of a liquid by $ 0.008\% $ in $ kPa $ is (Bulk modulus of the liquid $ = 2100 \,MPa $ is)

$ U $ is the $ PE $ of an oscillating particle and $ F $ is the force acting on it at a given instant. Which of the following is true ?

With an increase in temperature, surface tension of liquid (except molten copper and cadmium)

On the surface of the liquid in equilibrium, molecules of the liquid possess

In sine wave, minimum distance between $ 2 $ particles always having same speed is

$ KE $ per unit volume is $ E $ . The pressure exerted by the gas is given by

Average power in the $ L-C-R $ circuit depends upon

For measurement of potential difference, potentiometer is preferred in comparison to voltmeter because

In a parallel plate capacitor, the capacity increases if

Which of the following relation is true?

The equation of a simple harmonic progressive wave is given by $ y = A \,sin \,(100\, \pi t - 3x) $ . Find the distance between $ 2 $ particles having a phase difference of $ \frac{\pi}{3} $ .

For an opaque body coefficient of transmission is

For a particle in $ SHM $ , if the amplitude of the displacement is a and the amplitude of velocity is $ v $ , the amplitude of acceleration is

The average acceleration of a particle performing $ SHM $ over one complete oscillation is

In a resonance pipe the first and second resonances are obtained at depths $ 22.7 \,cm $ and $ 70.2\, cm $ respectively. What will be the end correction ?

A particle performing $ SHM $ has time period $ \frac{2\pi}{\sqrt3} $ and path length $ 4\, cm $ . The displacement from mean position at which acceleration is equal to velocity is

If the electron in a hydrogen atom jumps from an orbit with level $n_{1} =2$ to an orbit with level $n_{2} =1$ the emitted radiation has a wavelength given by

If an electron is revolving around the hydrogen nucleus at a distance of $ 0.1 \,nm $ , what should be its speed ?

To what temperature should the hydrogen at $ 327^{\circ}C $ be cooled at constant pressure, so that the root mean square velocity of its molecules becomes half of its previous value ?

In a satellite, if the time of revolution is $ T $ , then $ KE $ is proportional to

If the linear charge density of a cylinder is $ 4 \,\mu cm^{-1} $ then electric field intensity at point $ 3.6 \,cm $ from axis is

When light wave suffers reflection at the interface between air and glass, the change of phase of reflected wave is equal to