List of top Physics Questions asked in MHT CET

A horizontal wire of mass 'm', length 'l' and resistance 'R' is sliding on the vertical rails on which uniform magnetic field 'B' is directed perpendicular. The terminal speed of the wire as it falls under the force of gravity is ($g =$ acceleration due to gravity)

The diffraction fringes obtained by a single slit are of

A sphere and a cube, both of copper have equal volumes and are black. They are allowed to cool at same temperature and in same atmosphere. The ratio of their rate of loss of heat will be

An alternating voltage is applied to a series LCR circuit. If the current leads the voltage by $45^\circ$, then $(\tan 45^\circ = 1)$

A particle executes a simple harmonic motion of time period $ T $ . Find the time taken by the particle to go directly from its mean position to half the amplitude

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

In a parallel plate capacitor, the capacity increases if

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

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