List of top Physics Questions

What is an electric dipole? Find an expression for electric potential at any point due to an electric dipole.
Mention the defects of human vision and describe the methods to remove them.
Write the properties of diamagnetic, paramagnetic, and ferromagnetic materials.
Mention the difference between p-type and n-type semiconductors.
What is a light-emitting diode (LED)? Write down one application of it.
Write down two uses of a shunt.
What is wattless current?
Convert the binary number \(1101\) into the decimal system.
Explain UNIVAC and Fax.
What is the critical angle? Write down its necessary conditions.
Explain the difference between nuclear fission and nuclear fusion.
10$^{19}$ electrons are placed on an uncharged body. Calculate the charge produced on the body.
What is an electromagnetic wave? On which factors does its velocity in vacuum depend?
Write down the energy losses in a transformer.
What is an eddy current? Write down its utilities.
Find the increase in energy of a condenser of capacity \(6\, \text{pF}\) on changing the potential difference from 10 V to 20 V.
What are ohmic and non-ohmic resistances? Write down one example of each.
What is a cyclotron? State its two limitations.
Explain the polarization of light.
Define two magnetic elements of the Earth.
Distance of communication satellite from the surface of the Earth is:
The device which works for both modulation and demodulation is called:
In a full wave rectifier, if input frequency is 50 Hz, then output frequency will be:
Define intensity of electric field at any point. Write down its S.I. unit.
The equivalent of decimal number 27 in binary number system will be: