Dheeraj Saxena Solutions for Chapter: Sound, Exercise 3: TEST ASSIGNMENT NO. 2

Author:Dheeraj Saxena

Dheeraj Saxena Science Solutions for Exercise - Dheeraj Saxena Solutions for Chapter: Sound, Exercise 3: TEST ASSIGNMENT NO. 2

Attempt the practice questions on Chapter 13: Sound, Exercise 3: TEST ASSIGNMENT NO. 2 with hints and solutions to strengthen your understanding. Full Marks Science solutions are prepared by Experienced Embibe Experts.

Questions from Dheeraj Saxena Solutions for Chapter: Sound, Exercise 3: TEST ASSIGNMENT NO. 2 with Hints & Solutions

MEDIUM
8th CBSE
IMPORTANT
Full Marks Science>Chapter 13 - Sound>TEST ASSIGNMENT NO. 2>Q 4

Define ultrasound and infrasonic sound.

MEDIUM
8th CBSE
IMPORTANT
Full Marks Science>Chapter 13 - Sound>TEST ASSIGNMENT NO. 2>Q 5

Explain that sound travels through solids.

HARD
8th CBSE
IMPORTANT
Full Marks Science>Chapter 13 - Sound>TEST ASSIGNMENT NO. 2>Q 6

How do our ears hear the sound?

MEDIUM
8th CBSE
IMPORTANT
Full Marks Science>Chapter 13 - Sound>TEST ASSIGNMENT NO. 2>Q 7

What are the ill effects of noise pollution?

MEDIUM
8th CBSE
IMPORTANT
Full Marks Science>Chapter 13 - Sound>TEST ASSIGNMENT NO. 2>Q 8

Sound can travel in vacuum also.

EASY
8th CBSE
IMPORTANT
Full Marks Science>Chapter 13 - Sound>TEST ASSIGNMENT NO. 2>Q 8

Sound is produced when objects vibrate.

MEDIUM
8th CBSE
IMPORTANT
Full Marks Science>Chapter 13 - Sound>TEST ASSIGNMENT NO. 2>Q 8

The unit of frequency is hertz.

MEDIUM
8th CBSE
IMPORTANT
Full Marks Science>Chapter 13 - Sound>TEST ASSIGNMENT NO. 2>Q 9

Write the applications of ultrasound in our life.