List of top Physics Questions asked in MHT CET

What is the oxidation state of Fe in \( \mathrm{Fe_3O_4} \)?
Which of the following is ferromagnetic:
Find the solubility product of \( \mathrm{Ba(OH)_2} \)?
Where \( S = 1.73 \times 10^{-14} \).
The first member of the Paschen series in the hydrogen spectrum is of wavelength \( 18800 \, \text{Å} \). What is the short wavelength limit of the Paschen series?
A coil has a resistance of \( 30 \, \Omega \) and an inductive reactance of \( 20 \, \Omega \) at 50 Hz frequency. If an AC source of 200 V and 100 Hz is connected across the coil, then how much current will flow through the coil?
A rocket of initial mass 6000 kg ejects gases at a constant rate of 16 kg/s with a constant relative speed of 11 km/s. What is the acceleration of the rocket one minute after the blast?
Which of the following is a logic gate that gives an output of 1 when the inputs are different?
What is the overtone of a vibrating string?
How do you find the amplitude of a simple harmonic oscillator?
What is the ratio \( \frac{C_p}{C_v} \) for a monatomic and diatomic gas?
The ideal gas equation is given by \( PV = nRT \). Which of the following statements is correct for an ideal gas?
The root mean square velocity (\(v_{\text{rms}}\)) of a gas is given by:
Two monkeys off mass 10 kg and 8 kg are moving along a vertical light rope the former climbing up with an acceleration of 2 m/second square while the latter coming down with a uniform velocity of 2 m/sec square find the tension in the rope at the fixed support
Two bodies, R1 and R2, radiate power at temperatures \( T_1 \) and \( T_2 \) respectively. What is the ratio \( R_1 : R_2 \) of their radiated powers?
If the half-life of the sample is 5 years and the initial weight of the sample is 64 gm, then the weight remaining after 15 years is:
What particles are emitted when \(^{206}_{82}Pb\) undergoes radioactive decay?
What is the SI unit of rate of diffusion?

Find the surface tension at critical velocity?

If mutual inductance M=3H, L1=4H, L2=9H, will the coupling coefficient be equal?

Find the Current unit conversion from SI to CGS.
At the pure inductive stage, find emax.
Find the height of a conical pendulum if the time period is given.
Find the change in the charge carriers of a p-n junction diode if its temperature is increased?
If at depth ‘\(d\)’ the gravitational force acting on a particle is 300 N, then what is the force on a particle at depth ‘\(\frac d2\)’ ?
The work done by a force on body of mass 5 kg to accelerate it in the direction of force from rest to 20 m/s2 in 10 second is