List of top Physics Questions asked in MHT CET

Two coherent waves are represented by \( y_1 = a_1 \cos \omega t \) and \( y_2 = a_2 \sin \omega t \), and they are superimposed on each other. The resulting intensity is proportional to:

To double the pressure of an ideal gas, keeping volume and number of moles constant, the temperature should be:

How does the dynamic resistance of diode vary with temperature?

A transformer is used to light a $100W$ and $110V$ lamp from $220V$ mains. If the main current is $0.5$ amp, the efficiency of the transformer is approximately:

When the temperature exceeds the transition temperature, a ferromagnetic material becomes similar to:

The nucleus of which of the following atoms whose atomic mass numbers '$A$' are given in the options would have the highest binding energy per nucleon?

In the circuit shown in the figure, the input voltage $V_i$ is $20V,V_{BE}=0$ and $V_{CE}=0$. The values of $I_B,I_C$ and $\beta$ are given by:

On giving 220 V to a resistor the power dissipated is 40 watt, then the value of resistance is:

A tank is filled with water of density $1\frac{g}{{cm}^3}$ and oil of density $0.9\frac{g}{{cm}^3}$. The height of water layer is $100cm$ and that of oil layer is 400 $cm$. If $g=980\frac{cm}{s^2}$, then the velocity of efflux from an opening in the bottom of the tank will be-

A $240V,60Hz$ voltage source is connected to resistor of $60\mathrm{\Omega }$. Find the value of net power consumed by resistance over a complete cycle.

Water is flowing through a horizontal pipe in stream line flow at the narrowest part of the pipe?

The height from earth's surface at which acceleration due to gravity becomes g/ where g is acceleration due to gravity on the surface of earth and R is radius of earth?

Two spheres are given that r = 10 cm and distance between them is 20 cm and axis is passing between the middle of the distance. What is the moment of inertia?

A thermodynamic system is taken through the cycle $ABCD$ as shown in the figure. Heat rejected by the gas during the cycle is:

An e.m.f of 5 volt is produced by a self inductance when the current changes at a steady rate from 3A to 2A in 1 millisecond the value of self inductance is

If p is the magnitude of linear momentum of a particle executing a uniform circular motion then the ratio of centripetal force acting on the particle to its linear momentum is given by

A large number of bullets are fired in all directions with same speed v. What is the maximum area on the ground on which these bullets will spread.

A lift weighing 250 kg is to be lifted up at a constant velocity of 0.20m what would be the minimum horsepower of the motor to be used.

If L is the inductance and R is the resistance then the unit of L/R is:

The maximum kinetic energy of the photoelectrons varies.

Safety speed for vehicle moving along curved horizontal banked road.

Find the ratio of K.E. and P.E. when a particle performs SHM when it is at (1 / n) times of its amplitude from mean position.

The height from earth's surface at which acceleration due to qravity becomes g/4 is __? (Where g is acceleratio due to gravity on the surface of earth and R is radius of earth)

If an electron jumps from 3rd orbit to second orbit its wavelength is λ, then the wavelength of electron when it jumps from 4th orbit to third orbit in terms of λ is?

A rod of mass M and length L is pivoted about its end O as shown in the figure. Find the period of SHM.