Physics Questions

Consider a planet whose mass and radius are both twice the mass and radius of Earth. The acceleration due to gravity on the surface of the planet is 'n' times that on Earth. The value of n is:

Which type of electromagnetic radiation has the shortest wavelength?

Mirages are formed primarily due to ___ of light.

_______________ states that the ratio of the potential difference across a conductor to the current flowing through it, is a constant, provided that its physical conditions, such as temperature, remain constant.

A lens has a power +2.0 D. The type of lens and its focal length will be

The Brownian Motion was discovered by

What is the range of frequencies of sound waves audible to human beings?

If the acceleration due to gravity on the surface of earth is g, then the acceleration due to gravity on the surface of a planet whose mass is double that of earth and radius is same as that of earth is _________________.