Sanjoy Kumar Basak Solutions for Chapter: Sound, Exercise 5: EVALUATION

Author:Sanjoy Kumar Basak

Sanjoy Kumar Basak Physics Solutions for Exercise - Sanjoy Kumar Basak Solutions for Chapter: Sound, Exercise 5: EVALUATION

Attempt the free practice questions on Chapter 6: Sound, Exercise 5: EVALUATION with hints and solutions to strengthen your understanding. FRANK NEW CERTIFICATE - Physics solutions are prepared by Experienced Embibe Experts.

Questions from Sanjoy Kumar Basak Solutions for Chapter: Sound, Exercise 5: EVALUATION with Hints & Solutions

EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 6 - Sound>EVALUATION>Q 5

Give two examples of good reflectors of sound.

EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 6 - Sound>EVALUATION>Q 5

Give two examples of bad reflectors of sound.

EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 6 - Sound>EVALUATION>Q 6

What is an echo? Where does echo generally occur?

EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 6 - Sound>EVALUATION>Q 1

Prove with the help of an activity that sound travels better through liquids.

EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 6 - Sound>EVALUATION>Q 2

Explain the factors on which the loudness of sound depends.

MEDIUM
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 6 - Sound>EVALUATION>Q 3

What are ultrasonic sounds? State five uses of such sounds.

EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 6 - Sound>EVALUATION>Q 1

Two astronauts were floating near each other in space. Do you think they will be able to talk to each other?

EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 6 - Sound>EVALUATION>Q 2

How do animals such as elephants and whales communicate?