Sunil Batra Solutions for Chapter: Sound, Exercise 1: Formative Assessment

Author:Sunil Batra

Sunil Batra Physics Solutions for Exercise - Sunil Batra Solutions for Chapter: Sound, Exercise 1: Formative Assessment

Attempt the free practice questions on Chapter 6: Sound, Exercise 1: Formative Assessment with hints and solutions to strengthen your understanding. Modern's abc+ Of Science - Physics For Class IX solutions are prepared by Experienced Embibe Experts.

Questions from Sunil Batra Solutions for Chapter: Sound, Exercise 1: Formative Assessment with Hints & Solutions

MEDIUM
9th CBSE
IMPORTANT

Which of the following (s) is/are carried by the waves in moving from one place to another?

EASY
9th CBSE
IMPORTANT

SONAR stands for _____.

(Choose from : Sound Navigation And Ranging / Sound Navigation And Recording)

EASY
9th CBSE
IMPORTANT

I call the multiple reflections of sound in a hall as _____. 

EASY
9th CBSE
IMPORTANT

What are laws of reflection of sound?  Give three applications of reflection of sound.

EASY
9th CBSE
IMPORTANT

What is echo? What is the minimum distance of the source from the reflecting surface to hear echo?

EASY
9th CBSE
IMPORTANT

What is (a) reverberation (b) ultrasound? Give some properties of ultrasound.

EASY
9th CBSE
IMPORTANT

Give some applications of ultrasound.

EASY
9th CBSE
IMPORTANT

Write a short note on human ear.