List of top Physics Questions

Equivalent energy of 1 amu is
Which of the following has unit volt-metre\(^{-1}\)?
Which series of hydrogen spectrum lies in visible portion?
Which one of the following is not a type of radioactive decay?
Which of the following is chargeless particle?
What is the main difference between isotopes of the same element?
X-rays are
What is the energy of a photon with a wavelength of 500 nm?
(Use \( c = 3 \times 10^8 \) m/s and \( h = 6.626 \times 10^{-34} \) Js)
Which one of the following frequency ranges is used for TV transmission?
In n-type semiconductor the minority charge carrier is/are
When boron is mixed as impurity in silicon, then resultant matter is
Boolean expression of NAND gate is
What type of wave is used in fibre optic communication?
Reverse biased diode is
Which logic gate's output is true only if the inputs are different?
The bubble of soap appears coloured due to
Which of the following cannot be polarized?
Which of the following is used to reduce chromatic aberration in lenses?
Power of a convex lens is 2 dioptre. Its focal length will be
If two converging lenses of equal focal length \(f\) are kept in contact, then the focal length of the combination will be
A convex lens is dipped in a liquid, whose refractive index is equal to the refractive index of the material of the lens. Then its focal length will
A person uses spectacles (lens) of +2D power. His defect of vision is.
The wavelength of de Broglie wave associated with any moving particle does not depend on
The speed of electromagnetic wave in any material medium does not depend on.
The formula of kinetic mass of photon is