Subtraction of two nearly equal quantites destroy the accuracy. Comment.

Subtraction of two vectors is not commutative.

During superposition of two waves of nearly equal frequencies , beat frequency is defined as the

During superposition of two waves of nearly equal frequencies , beat frequency is defined as the

When the beats are produced by vibration of two tunning forks of nearly equal frequencies then the velocity of propagation of beats

When the beats are produced by vibration of two tunning forks of nearly equal frequencies then the velocity of propagation of beats

Why should two sources of sound have nearly equal frequencies for the formation of beats?

Give two examples of quantitative data.

Cranial capacity of man nearly equals to: