Geetha Iyer Solutions for Exercise 4: EXERCISE

Author:Geetha Iyer

Geetha Iyer Science Solutions for Exercise - Geetha Iyer Solutions for Exercise 4: EXERCISE

Attempt the practice questions from Exercise 4: EXERCISE with hints and solutions to strengthen your understanding. Science Now 8 solutions are prepared by Experienced Embibe Experts.

Questions from Geetha Iyer Solutions for Exercise 4: EXERCISE with Hints & Solutions

MEDIUM
8th CBSE
IMPORTANT
Science Now 8>Chapter 12 - Sound>EXERCISE>Q 1

Sound cannot travel through

EASY
8th CBSE
IMPORTANT
Science Now 8>Chapter 12 - Sound>EXERCISE>Q 2

The audible range of the normal human ear is

MEDIUM
8th CBSE
IMPORTANT
Science Now 8>Chapter 12 - Sound>EXERCISE>Q 3

Which of the following is the correct sequence of sound propagation through the human ear?

MEDIUM
8th CBSE
IMPORTANT
Science Now 8>Chapter 12 - Sound>EXERCISE>Q 4

The loudness of a sound depends on its

MEDIUM
8th CBSE
IMPORTANT
Science Now 8>Chapter 12 - Sound>EXERCISE>Q 5

The pitch of a sound is directly proportional to

EASY
8th CBSE
IMPORTANT
Science Now 8>Chapter 12 - Sound>EXERCISE>Q 5

Infrasonic waves have a frequency of._____ (less than 20 Hz / more than 20,000 Hz)

HARD
8th CBSE
IMPORTANT
Science Now 8>Chapter 12 - Sound>EXERCISE>Q 1

Can you suggest one application of sound waves in oceanography?

HARD
8th CBSE
IMPORTANT
Science Now 8>Chapter 12 - Sound>EXERCISE>Q 2

Suppose two objects are colliding in space just above the Earth's atmosphere. Can we hear the sound produced due to the collision? Justify.