List of top Physics Questions asked in MHT CET

If $'C_p'$ and $'C_v'$ are molar specific heats of an ideal gas at constant pressure and volume respectively. If $'\lambda'$ is the ratio of two specific heats and $'R'$ is universal gas constant then $'C_p'$ is equal to

If $W_1$, $W_2$ and $W_3$ represent the work done in moving a particle from $A$ to $B$ along three different paths $1$, $2$ and $3$ (as shown in fig) in the gravitational field of the point mass $'m'$. Find the correct relation between $'W'_1$, $'W_2'$ and $'W_3'$

A particle executes the simple harmonic motion with an amplitude $'A'$. The distance travelled by it in one periodic time is

If $\sqrt{A^{2}+B^{2}}$ represents the magnitude of resultant of two vectors $(A + B)$ and $(A - B)$, then the angle between two vectors is

Bohr model is applied to a particle of mass $'m'$ and charge $'q'$ is moving in a plane under the influence of a transverse magnetic field $'B'$. The energy of the charged particle in the $nth$ level will be ($h =$ Planck's constant)

In a hydrogen atom, an electron of charge e revolves in a orbit of radius $r$ with speed $v$. Then, magnetic moment associated with electron is

$V$-$I$ characterstics of $LED$ is shown correctly by graph

In a fundamental mode, the time required for the sound wave to reach upto the closed end of a pipe filled with air is $'t'$ second. The frequency of vibration of air column is

An ideal transformer converts $220\, V$ a.c. to $3.3\, kV$ a.c. to transmit a power of $4.4\, kW$. If primary coil has $600$ turns, then alternating current in secondary coil is

The expression for electric field intensity at a point outside uniformly charged thin plane sheet is (d is the distance of point from plane sheet)

A square frame $ABCD$ is formed by four identical rods each of mass 'm' and length 'l' This frame is in $XY$ -plane such that side $AB$ coincides with $X$-axis and side $AD$ along $Y$-axis. The moment of inertia of the frame about $X$-axis is

If numerical aperture of a microscope is increased then its

In the following network, the current flowing through 15 $\Omega$ resistance is

An alternating voltage $e = 200 \sqrt{2} \, \sin(100 \, t)$ volt is connected to $1\, \mu F$ capacitor through AC ammeter. The reading of ammeter is

The increase in energy of a metal bar of length 'L' and cross-sectional area 'A' when compressed with a load 'M' along its length is (Y = Young�s modulus of the material of metal bar)

A circular coil carrying current 'I' has radius 'R' and magnetic field at the centre is 'B' . At what distance from the centre along the axis of the same coil, the magnetic field will be $\frac{B}{8}$ ?

In non uniform circular motion, the ratio of tangential to radial acceleration is (r = radius of circle, $v =$ speed of the particle, $\alpha =$ angular acceleration)

A sphere of mass 'm' moving with velocity 'v' collides head-on on another sphere of same mass which is at rest. The ratio of final velocity of second sphere to the initial velocity of the first sphere is (e is coefficient of restitution and collision is inelastic)

A metal wire of density $'\rho'$ floats on water surface horizontally. If it is NOT to sink in water then maximum radius of wire is proportional to (T = surface tension of water, g = gravitational acceleration)

If $M_z$ = magnetization of a paramagnetic sample, $B$ = external magnetic field, $T$ = absolute temperature, $C$ = curie constant then according to Curie�s law in magnetism, the correct relation is

The path length of oscillation of simple pendulum of length 1 metre is 16 cm. Its maximum velocity is $(g = \pi^2 \, m/s^2)$

A ray of light is incident normally on a glass slab of thickness $5\, cm$ and refractive index 1.6. The time taken to travel by a ray from source to surface of slab is same as to travel through glass slab. The distance of source from the surface is

A vessel completely filled with water has holes 'A' and 'B' at depths 'h' and '3h' from the top respectively. Hole 'A' is a square of side 'L' and 'B' is circle of radius 'r'. The water flowing out per second from both the holes is same. Then 'L' is equal to

A transistor is used as a common emitter amplifier with a load resistance 2 K$\Omega$. the input resistance is 150 $\Omega$. Base current is changed by 20 $\mu$A which results in a change in collector current by $1.5\, mA$. The voltage gain of the amplifier is

Two light waves of intensities $'I_1'$ and $'I_2'$ having same frequency pass through same medium at a time in same direction and interfere. The sum of the minimum and maximum intensities is