Physics Questions

If the power of a corrective lens is +2.0 D, then it is a

What is the fundamental unit of amount of a substance?

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 _________________.

________________ refers to the superposing of two or more coherent waves to produce regions of maxima and minima in space, according to the principle of superposition.

The value of g on the moon is 1/6th of the value of g on the earth. If a man can jump 1.5 m high on the earth, on the moon, be can jump up to a height of

The absolute refractive index of air is

If the force applied on the object is in the direction of its motion, the speed of the object __________.

In the equation of motion 2as = v2 - u2, s represents _________________.