List of top Physics Questions asked in MHT CET

In the case of earth, mean radius is $R$, acceleration due to gravity on the surface is $g$, angular speed about its own axis is $\omega$. What will be the radius of the orbit of a geostationary satellite?

Figure shows triangular lamina which can rotate about different axis of rotation. Moment of inertia is maximum about the axis

A light of wavelength $\lambda$ and intensity $I$ falls on photosensitive material. If $N$ photoelectrons are emitted, each with kinetic energy $E$, then

A mass $M$ moving with velocity $v$ along $x$-axis collides and sticks to another mass $2M$ which is moving along $y$-axis with velocity $3v$. After collision, the velocity of the combination is

The magnetic field developed due to current carrying coil at its centre is $B$. If the new coil of two turns is prepared from the above coil and same current is passed, then the magnetic field at the centre of the new coil will be

When a light ray is incident on a prism at an angle of $45^\circ$, the minimum deviation is obtained. If refractive index of material of prism is $\sqrt{2$, the angle of prism will be

A particle is performing vertical circular motion. The difference in tension at lowest and highest point is

Imagine two bar magnets having same magnetic dipole moment $M$, are inclined with each other as shown in figure. Their resultant magnetic moment will be

The relative magnetic permeability $(\mu_r)$ of a substance is related to its susceptibility $(\chi)$ as

A spring produces extension $x$ by applying a force $F$. A body of mass $m$ suspended from the spring oscillates vertically with a period $T$. The mass of the suspended body is (neglect mass of spring)

Logic circuit shows the inputs $A$, $B$ and $C$. The output $Y$ is ‘0’ (zero) when

A metal surface is irradiated by radiations whose wavelength is $\lambda$. If the work function of the metal surface is negligibly small, then the de-Broglie wavelength of emitted electrons will be

In an LCR circuit, inductive reactance is $30\ \Omega$ and capacitive reactance is $30\ \Omega$. The resistance is found to be $40\ \Omega$. The probable impedance of the combination is

In a transistor, doping level in base is increased slightly, the collector current and base current respectively

Two springs of equal length and equal area of cross-section are suspended from a rigid support and loaded with same mass. Young’s modulus of two springs is in the ratio $4:3$. When the springs are stretched through some distance and released, they will oscillate with periods $T_1$ and $T_2$. The ratio $T_1 : T_2$ is

In phase modulation, according to the information signal, a parameter of the carrier wave which is varied, is

A particle starting from mean position performs linear S.H.M. Its amplitude is \( A \) and total energy is \( E \). At what displacement its kinetic energy is \( \frac{3E}{4} \)?

A current carrying circular coil of area \( A \) produces magnetic field \( B \) at the centre. The magnetic moment of the coil is ( \( \mu_0 \) = permeability of free space)

A particle starting from mean position performs linear S.H.M. Its amplitude is \( A \) and total energy is \( E \). At what displacement its kinetic energy is \( \frac{3E}{4} \)?

A spring has length \( L \) and force constant \( K \). It is cut into two springs of length \( L_1 \) and \( L_2 \) such that \( L_1 = N L_2 \) (N is an integer). The force constant of the spring of length \( L_1 \) is

Two parallel plates separated by a distance \( d \) are kept at potential difference \( V \) volt. A charge \( q \) of mass \( m \) enters in parallel plates with some velocity. The acceleration of the charged particle will be

In vacuum, light takes time \( t \) to travel a distance \( d \) and it takes time \( T \) to travel a distance \( 5d \) in a denser medium. The critical angle of the given pair of media is

Two long thin parallel wires carrying current \( I \) separated by a distance \( d \) exert force \( F \) on one another. The distance between them is doubled and the current is decreased to \( \frac{1}{3} \). The force they exert on one another is

Two coherent monochromatic light beams of intensities 4I and 9I are superposed. The maximum and minimum possible intensities in the resulting beam are

‘n’ number of waves are produced on a string in 0.5 second. Now the tension in a string is doubled (keeping radius constant). The number of waves produced in 0.5 second for the same harmonic will be