List of top Physics Questions

Eddy currents do not cause :

Dyne - Second is the unit of

Dynamic lift due to spinning is

During projectile motion, the horizontal velocity

During interference of light, energy is:

During an artificial transmutation the nucleus emits

Droplets of a liquid are generally more spherical in shape than large drops of the same liquid because

Doppler shift in frequency does not depend upon

Double convex lenses are to be manufactured from a glass of refractive index $1.55$, with both faces of same radius of curvature. What is the radius of curvature required if the focal length is to be $20\, cm$?

Distance between the center of two stars is 10a. the masses of these stars are m and 16M and their radii a and 2a respectively. A body of mass m is fired straight from the surface of the smller star towards the surface of the smaller star. What should be its minimum initial speed to reach the surface of the smaller star ?

Distance of distinct vision is 25 cm. The focal length of the convex lens is 5 cm. It can act as a magnifier of magnifying power:

Dispersive power of the material of a prism is 0.0221. If the deviation produced by it for yellow colour is 38, then the angular dispersion between red and violet colours is

Displacement time graph cannot be

Dispersive power depends on:

Dimensions of relative density is

Dimensions of solar constant are

Cyclotron is adjusted to give proton beam, magnetic induction is 0.15 $wbm^{-2}$ and the extreme radius is 1.5 m. The energy of emergent proton in MeV will be

Critical angle of glass is $\theta_1$ and that of water is $\theta_2$ The critical angle for water and glass surface would be $(\mu_g = 3/2, \mu_w = 4/3)$.

Coulomb's law correctly describes the electric force is that (pick the wrong statement)

Consider the following two statment is A and B and identify the correct Answer A) The bulk modulus for an incompressihle liquid is infinite. B) Young's modulus increases with rise of temperature.

Conservation of momentum in a collision between particles can be understood from

Compressibility is :

Coherence is a measure of

Coefficient of viscosity of a gas

Coefficient of cubical expansion of water is zero at