Refraction of Light at Plane Surfaces — Physics STD 10 — Question

The potential energy of a body is the energy by virtue of its ________ .

Complete the following sentence:

A pressure cooker is based on the principle that boiling point of water increases with the _________

Efficiency of ________ [practical/Idle] machine is less than 100%.

The moon revolving around the earth is in ____________ equilibrium.

When light travels from a rarer to a denser medium, it bends ...........

Fill in the following blank using suitable word:
The amount of heat required to change the state of a physical substance without any change of temperature is called .......... of the substance.

When ice melts its volume ___________ [increases / decreases / remains same].

Fill in the following blank using suitable word:
SI unit of specific heat is ..........

Fill in the following blank using suitable word:
Evaporation causes ..........