List of top Questions asked in MHT CET- 2025

In Young's double slit experiment, the intensities at two points, for the path difference \(\frac{\lambda}{4}\) and \(\frac{\lambda}{3}\) are \(\mathrm{I}_1\) and \(\mathrm{I}_2\) respectively. If \(\mathrm{I}_0\) denotes the intensity produced by each one of the individual slits then the ratio \(\left(\mathrm{I}_1+\mathrm{I}_2\right): \mathrm{I}_0\) is \(\left(\cos 45^{\circ}=1 / \sqrt{2}\right)\left(\cos 60^{\circ}=0.5\right)\)

A system is compressed adiabatically, then its temperature

The series limit for the frequency of Balmer series is ' \(\mathrm{v}_{\mathrm{B}}\) ', then the series limit frequency of Paschen series ' \(v_p\) ' is

A capacitor of capacitance ' C ' is connected across a.c. source of voltage V as \(\mathrm{V}=\mathrm{V}_0 \sin \omega \mathrm{t}\). The displacement current between the plates of the capacitor would be

The magnetic field at the centre of a current carrying circular coil of area ' \(A\) ' is ' \(B\) '. The magnetic moment of the coil is \(x\) times \(\left(2 B / \mu_0\right)\). The value of \(x\) is ( \(\mu_0=\) permeability of free space)

In an interference experiment, the phase difference between the waves reaching a first dark point is

In an adiabatic change, the pressure and temperature of a diatomic gas are related as \(\mathrm{P} \propto \mathrm{T}^{\mathrm{c}}\), where c is a constant. The value of c is (consider gas molecules are rigid)

If \(|\vec{A} \times \vec{B}|=\sqrt{3}(\vec{A} \cdot \vec{B})\) then the value of \(|\vec{A}+\vec{B}|\) is \(\left(\tan 60^{\circ}=\sqrt{3}, \cos 60^{\circ}=0.5\right)\)

The energy of a photon is equal to the kinetic energy of proton. If \(\lambda_1\) is the de-Broglie wavelength of a proton, \(\lambda_2\) is the wavelength associated with the photon and if E is the energy of photon then \(\lambda_2: \lambda_1\) is

A simple pendulum has mass 2 gram and charge \(2 \mu \mathrm{C}\). In a uniform horizontal electric field of intensity \(1000 \mathrm{~V} / \mathrm{m}\), pendulum is at rest. At equilibrium, the angle made by the pendulum with the vertical is ( \(\mathrm{g}=\) acceleration due to gravity \(=10 \mathrm{~m} / \mathrm{s}^2\) )

Two spherical black bodies of radius \(\mathrm{R}_1\) and \(\mathrm{R}_2\) with surface temperatures \(\mathrm{T}_1\) and \(\mathrm{T}_2\) respectively. If \(T_1=2 T_2\) and they radiate the same power then relation between \(R_1\) and \(R_2\) is

Four thin rods of same mass M and same length L form a square as shown in figure. Moment of inertia of this system about an axis passing through point O and perpendicular to its plane is

A mass ' \(M\) ' is suspended from a spring of negligible mass. The spring is pulled a little and then released so that the mass executes S.H.M. of periodic time ' \(T\) '. If the mass is increased by ' \(m\) ', the time period becomes \(4 T / 3\), then the ratio of \(\frac{\mathrm{M}}{\mathrm{m}}\) is

A bicycle wheel of diameter ' \(D\) ' has ' \(N\) ' number of spokes. Wheel is rotating at the rate of ' \(x\) ' revolutions per minute, perpendicular to the horizontal component of earth's magnetic field ' \(\mathrm{B}_{\mathrm{H}}\) '. The e.m.f. induced between the rim and the centre of the wheel will be

The value of acceleration due to gravity (g) becomes \(\left(\frac{g}{3}\right)\) at height ' \(h\) ' above the earth's surface. If ' R ' is the radius of earth, the height h will be equal to

The range of voltmeter of resistance \(300 \Omega\) is 5 V . The resistance required to be connected to convert it into an ammeter of range 5 A is nearly

The average kinetic energy of a molecule of the gas is

The average velocity of a particle performing S.H.M. in one complete vibration is ( \(\mathrm{A}=\) amplitude of S.H.M., \(\omega=\) angular velocity)

A rigid body weighs 25 gram and has a measured volume of \(5 \mathrm{~cm}^3\). The possible error in the measurement of mass and volume are 0.01 gram and \(0.1 \mathrm{~cm}^3\). The maximum error in the density will be

A glass capillary of radius 0.35 mm is inclined at \(60^{\circ}\) with the vertical in water. The length of water column in the capillary tube is (surface tension of water \(=7 \times 10^{-2} \mathrm{Nm}^{-1}\), acceleration due to gravity \(=10 \mathrm{~m} / \mathrm{s}^2, \cos 0^{\circ}=1\), \(\cos 60^{\circ}=0.5\), density of water \(=1 \mathrm{gram} / \mathrm{cm}^3\) )

In common emitter configuration, \(\beta, \mathrm{R}_{\mathrm{L}}\) and r are the a.c. current gain, load resistance and the input resistance of a transistor respectively. The voltage and power gain respectively are

In a given circuit, AB is a uniform potentiometer wire. If the value of resistance ' \(R\) ' is slightly increased, the balance point

A lens of power +5 D is put in contact with a lens of power -3 D . The combination will behave like a

In a projectile motion shown in figure, which one of the following statements is NOT CORRECT?