Priyanka B Solutions for Chapter: Sound, Exercise 4: Assignment

Author:Priyanka B

Priyanka B Physics Solutions for Exercise - Priyanka B Solutions for Chapter: Sound, Exercise 4: Assignment

Attempt the practice questions on Chapter 5: Sound, Exercise 4: Assignment with hints and solutions to strengthen your understanding. Essentials of PHYSICS Class IX solutions are prepared by Experienced Embibe Experts.

Questions from Priyanka B Solutions for Chapter: Sound, Exercise 4: Assignment with Hints & Solutions

EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 5 - Sound>Assignment>Q 27

Draw diagram to represent sound of high pitch.

EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 5 - Sound>Assignment>Q 27

Draw diagram to represent sound of low pitch of the same loudness.

EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 5 - Sound>Assignment>Q 35

State the laws of reflection of sound?

EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 5 - Sound>Assignment>Q 36

How is the pressure variation in a sound wave amplified in human ear?

EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 5 - Sound>Assignment>Q 37

What is ultrasound? Explain how defects in a metal block can be detected using ultrasound.

MEDIUM
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 5 - Sound>Assignment>Q 38

List three points which an engineer should use while designing an auditorium.

EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 5 - Sound>Assignment>Q 39

Explain the working of SONAR.

MEDIUM
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 5 - Sound>Assignment>Q 40

Explain how human ear works in the transmission of sound waves to brain?