Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Chapter: Sound, Exercise 5: EXERCISES

Author:Dr. J M D'Souza & Dr. Kirti J D'Souza

Dr. J M D'Souza Science Solutions for Exercise - Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Chapter: Sound, Exercise 5: EXERCISES

Attempt the free practice questions on Chapter 13: Sound, Exercise 5: EXERCISES with hints and solutions to strengthen your understanding. EUREKA PLUS Revised Bringing Science to Life solutions are prepared by Experienced Embibe Experts.

Questions from Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Chapter: Sound, Exercise 5: EXERCISES with Hints & Solutions

MEDIUM
8th CBSE
IMPORTANT

Which human organ produces sound (voice)?

MEDIUM
8th CBSE
IMPORTANT

When does an object produce sound?

MEDIUM
8th CBSE
IMPORTANT

What is the frequency of a sound wave?

MEDIUM
8th CBSE
IMPORTANT

How do bats fly safely in darkness?

MEDIUM
8th CBSE
IMPORTANT

what is  amplitude of sound 

MEDIUM
8th CBSE
IMPORTANT

Name two percussion instruments. How is the sound produced in such instruments?

MEDIUM
8th CBSE
IMPORTANT

Write short notes on:
Noise and musical sounds

MEDIUM
8th CBSE
IMPORTANT

Write short notes on:
Ill-effects of noise