Arjun Sharma, Seema Mehra and, Shikha Sharma Solutions for Chapter: Sound, Exercise 6: Chapter Test

Author:Arjun Sharma, Seema Mehra & Shikha Sharma

Arjun Sharma Science Solutions for Exercise - Arjun Sharma, Seema Mehra and, Shikha Sharma Solutions for Chapter: Sound, Exercise 6: Chapter Test

Attempt the free practice questions on Chapter 13: Sound, Exercise 6: Chapter Test with hints and solutions to strengthen your understanding. All in One - SCIENCE CBSE Class 8 solutions are prepared by Experienced Embibe Experts.

Questions from Arjun Sharma, Seema Mehra and, Shikha Sharma Solutions for Chapter: Sound, Exercise 6: Chapter Test with Hints & Solutions

EASY
8th CBSE
IMPORTANT

Write the unit of loudness of sound.

EASY
8th CBSE
IMPORTANT

How much loudness can be tolerated by a normal human being?

EASY
8th CBSE
IMPORTANT

The moment we put our ear to the railway line, we can hear the sound of an approaching train even when the train is far off but its sound cannot be heard through the air. Why?

EASY
8th CBSE
IMPORTANT

Why are the voices of men and women different?


MEDIUM
8th CBSE
IMPORTANT

Draw a labelled diagram of larynx and explain its functions.


HARD
8th CBSE
IMPORTANT

Draw a neat labelled diagram of human ear and explain its working.

MEDIUM
8th CBSE
IMPORTANT

Mention the frequency of sound produced when the vocal cords are

(a) tight and thin

(b) loose and thick.

MEDIUM
8th CBSE
IMPORTANT

Define vibrations and frequency with examples.