What is an echo?

Important Questions on Sound

EASY

9th CBSE

IMPORTANT

Together with Science Class 9>Chapter 12 - Sound>ASSESS YOURSELF>Q 37

How is an echo different from a reverberation?

MEDIUM

9th CBSE

IMPORTANT

Together with Science Class 9>Chapter 12 - Sound>ASSESS YOURSELF>Q 37

Describe an activity to demonstrate that sound follows the same laws of reflection as light.