List of top Questions asked in MHT CET- 2026

The de Broglie wavelength of the electron in the ground state is \(λ_1\) and that in the \(n = 3\) level is \(λ_3\) then \(λ_3\) is given by

If current of 4 A produces magnetic flux of \(3\times 10^{-3}\) Wb through a coil of 400 turns, the energy stored in the coil will be

Two coils A and B have 180 and 360 turns respectively. The current of 1A flows through both the coils. Due to current of 1A in coil A, flux per turn of \(0.8\times 10^{-3}\) Wb is linked with coil A. Due to current of 1A in coil B, flux per turn of \(1\times 10^{-3}\) Wb is linked with coil B. The self inductance of coil A is \(L_A\) and the self inductance of coil B is \(L_B\). The ratio \(L_A\) to \(L_B\) is

In the series LCR circuit shown in figure the impedance is

A series combination of resistor 'R' and capacitor 'C' is connected to an a.c. source of angular frequency '\(ω\)'. Keeping the voltage same, if the frequency is changed to \((\frac{ω}{3})\) the current becomes half of the original current. Then the ratio of capacitive reactance and resistance is

The equivalent inductance between A and B is equal to

In an LCR series circuit, the potential difference across the terminals of the inductor, capacitor and resistor is 60 V, 30 V and 40 V respectively. Then supply voltage will be equal to

In the following network,
\(I_1 = -0.4\,\text{A}\) , \(I_4 = 1\,\text{A}\) , \(I_5 = 0.4\,\text{A}\)
The values of \(I_2\), \(I_3\) and \(I_6\) are respectively

When cell of E.M.F. '\(E_1\)' is connected to potentiometer wire the balancing length is '\(l_1\)'. Another cell of E.M.F. '\(E_2\)' (\(E_1 > E_2\)) is connected along with \(E_1\) so as two cells oppose each other, the balancing length is '\(l_2\)'. The ratio \(E_1:E_2\) is

A straight long wire is carrying current I. The ratio of magnetic field due to this wire at perpendicular distance 2 cm and 5 cm respectively from the wire is

A particle of charge '\(q\)' and mass '\(m\)' moves in a circular orbit of radius '\(r\)' with angular speed '\(ω\)'. The ratio of the magnitude of its magnetic moment to that of its angular momentum depends upon

Two wires with current 3A and 1.5A are enclosed in a circular loop P. Third parallel wire with current 1A is situated outside the loop as shown. All the wires are perpendicular to the plane of the circular loop. The value of \(\oint \overset{⃗}{B}\cdot \overset{⃗}{dl}\) around the loop is (\(μ_0 =\) permeability of free space)

Two equal point charges exert a force F on each other when they are placed distance 'd' apart in air. When they are placed distance 'D' apart in a medium of dielectric constant K, they exert the same force. The distance D is equal to

Figure shows a network of five capacitors connected to a supply voltage 'V'. The equivalent capacitance and the energy stored in the network is respectively

A person standing between two parallel cliffs fires a gun and hears two echoes, first echo after 1 second and second echo after 3 second. The distance between the two cliffs is (The velocity of sound \(= 330\) m/s)

Three point charges Q, \(+2q\) and \(+q\) are placed at the vertices of a right-angled isosceles triangle of length \(\sqrt{2}a\) as shown in figure. The net electrostatic potential energy of the configuration is zero, if Q is equal to

Three identical capacitors connected in series have net capacitance '\(x\)'. Then they are connected in parallel. The ratio of energy stored in series configuration to that in parallel configuration is (if both configurations are connected to the same source)

A wire of length 'L' and linear density 'm' is stretched between two rigid supports with tension 'T'. It is observed that wire resonates in the \(P^{th}\) harmonic at a frequency of 320 Hz and resonates again at next higher frequency of 400 Hz in two successive modes. The value of 'P' is

In an organ pipe closed at one end produces a fundamental note of frequency '\(ν\)'. The pipe is cut into two pipes of equal length. The fundamental frequencies produced in the two pipes are

When the r.m.s. velocity of a gas is denoted by '\(v\)' at temperature '\(T\)'. Out of the following relations, the true one is

The fundamental frequency '\(n\)' of the tuning fork is 288 Hz, it will not resonate with the frequency

Three masses 100g, 300g and 500g are suspended at the end of a spring as shown in figure and are in equilibrium. When the 500 g mass is removed, the system oscillates with a period of 3 second. When the 300 g mass is also removed, it will oscillate with a period of

A particle of mass '\(m\)' is executing S.H.M. about the origin on x-axis with frequency \(\sqrt{\frac{Ka}{πm}}\), where K is a constant and a is the amplitude of S.H.M. If '\(x\)' is the displacement of a particle at time '\(t\)', the potential energy of a particle will be

Two particles A and B of equal masses are suspended from two massless springs of spring constants \(K_A\) and \(K_B\) respectively. The maximum velocities of the particles during oscillations are equal. The ratio of the amplitude of 'B' to that of 'A' is

At a pressure P and temperature T, 7 gram of oxygen occupies a volume V. The equation of state will be (Molecular weight of Oxygen \(= 32\))