List of top Physics Questions asked in MHT CET

Rate of cooling of a body is \(0.2^\circ \text{C/min}\) when excess temperature is \(20^\circ \text{C}\). The proportionality constant \( k \) is:
What is the angular frequency \( \omega \) of a simple harmonic oscillator with mass \( m \) and spring constant \( k \)?
What is the fundamental frequency of an open organ pipe with length \( L \) and speed of sound \( v \)?
What is the equivalent logic gate when the output of an AND gate is passed through a NOT gate?
Find the solubility product of \( \mathrm{Ba(OH)_2} \)?
Where \( S = 1.73 \times 10^{-14} \).
Convert 72 degrees Celsius to Fahrenheit.
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?
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?
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?
The root mean square velocity (\(v_{\text{rms}}\)) of a gas is given by:
The ideal gas equation is given by \( PV = nRT \). Which of the following statements is correct for an ideal gas?
What is the ratio \( \frac{C_p}{C_v} \) for a monatomic and diatomic gas?
How do you find the amplitude of a simple harmonic oscillator?
What is the overtone of a vibrating string?
Which of the following is a logic gate that gives an output of 1 when the inputs are different?

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

At the pure inductive stage, find emax.
If at depth ‘\(d\)’ the gravitational force acting on a particle is 300 N, then what is the force on a particle at depth ‘\(\frac d2\)’ ?
What is the SI unit of rate of diffusion?
Find the Current unit conversion from SI to CGS.
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?

Find the surface tension at critical velocity?

Consider the following statements about interference of light. 
A – When crest of one wave coincides with crest of another wave at a point, this point is a point of destructive interference. 
B – Two coherent sources emit wave of same frequency with constant phase difference.
Choose the correct option from the following.

To a bird in air, a fish in water appears to be at 30 cm from the surface. If refractive index of water with respect to air is \(\frac {4}{3}\) ,the real distance of bird from the surface is