This page contains CBSE class 8 sound Worksheet along with their answers. We also have notes for this chapter that can be accessed through links given below Sound notesQuestion 1 Fill in the blanks
The production of sound takes place due to ____________.
_________ is a fixed position where the oscillations produced.
Amplitude is measured in ___________.
The time period is measured in __________.
The number of oscillations takes place in one second is called __________.
Question 5 Very short answer type questions:
(i)What is decibel?
(ii)Write an equation that shows the relation between frequency and time period.
(iii)Give two examples of oscillatory motion.
(iv)What is gruff sound?
(v)Name three basic parts of human ear. Solution
(i)It is a unit that is used to indicate the loudness of the sound.
(ii)T= 1/f
(iii)Swing hammock and pendulum.
(iv)A low pitch sound wave is called gruff sound.
(v)Outer, middle and inner ear.
Summary
This CBSE class 8 sound Worksheet is prepared keeping in mind the latest syllabus of CBSE . This has been designed in a way to improve the academic performance of the students. If you find mistakes , please do provide the feedback on the mail.
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