Question

What do you mean by resonance.​

Answer 1

Answer:

The increase in amplitude of occillation

Answer 2

$\huge\underline\red{ Answer :-}$

REASONANCE

Reasonance is the tendency of a system which vibrates system or external force derives another system with the increase in amplitude at some of the frequency of excitation.

For Example

Playground swing, which act as a pendulum....