Physics Questions

The speed of the light is maximum in

_______________ 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.

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

An object of 1.2 cm height is placed 30 cm before a concave mirror of focal length of 20 cm toget a real image at a distance of 60 cm from the mirror. What is the height of the image formed?

Mirages are formed primarily due to ___ of light.

A rocket is launched to travel vertically upward with a constant velocity of 20 m/s. After travelling for 35 seconds, the rocket develops a snag and its fuel supply is cut off. The rocket then travels like a free body. The height achieved by it is

During the free fall of the object, the decrease in potential energy, at any point in its path, appears as an equal amount of increase in _________________.

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