A P Shreelatha and Neetu Singh Solutions for Chapter: Sound, Exercise 2: TEST YOURSELF

Author:A P Shreelatha & Neetu Singh

A P Shreelatha Physics Solutions for Exercise - A P Shreelatha and Neetu Singh Solutions for Chapter: Sound, Exercise 2: TEST YOURSELF

Attempt the practice questions on Chapter 6: Sound, Exercise 2: TEST YOURSELF with hints and solutions to strengthen your understanding. Secondary Physics solutions are prepared by Experienced Embibe Experts.

Questions from A P Shreelatha and Neetu Singh Solutions for Chapter: Sound, Exercise 2: TEST YOURSELF with Hints & Solutions

EASY
9th CBSE
IMPORTANT
Secondary Physics>Chapter 6 - Sound>TEST YOURSELF>Q 1

A 30 year old man, a 60 year old women and a two year old child are sitting in a room. A sound source produces a wave of frequency 20 Hz. Who is able to hear the sound clearly?

EASY
9th CBSE
IMPORTANT
Secondary Physics>Chapter 6 - Sound>TEST YOURSELF>Q 2

The density of a medium is changed. Will there be any change in the speed of sound?

MEDIUM
9th CBSE
IMPORTANT
Secondary Physics>Chapter 6 - Sound>TEST YOURSELF>Q 3

 What are infrasonic waves?

EASY
9th CBSE
IMPORTANT
Secondary Physics>Chapter 6 - Sound>TEST YOURSELF>Q 4

What does SONAR stand for?

MEDIUM
9th CBSE
IMPORTANT
Secondary Physics>Chapter 6 - Sound>TEST YOURSELF>Q 5

What are ultrasonic waves? State two applications of these waves.

MEDIUM
9th CBSE
IMPORTANT
Secondary Physics>Chapter 6 - Sound>TEST YOURSELF>Q 6

What is reflection of sound?

EASY
9th CBSE
IMPORTANT
Secondary Physics>Chapter 6 - Sound>TEST YOURSELF>Q 7

What is reverberation?