Forum

Forums
Class 9
Science
Sound
 
Notifications
Clear all

Sound

Page 17 / 18
Votes & Answers
Question
Question Status
0
1
112
What is the range of frequencies associated with (i) Infra sound? (ii) Ultrasound?
By Trisha Dave, 5 years ago
replies 1
0
1
90
What is the audible range of the average human ear?
By Trisha Dave, 5 years ago
replies 1
0
1
102
Why are the ceilings of concert halls curved?
By Trisha Dave, 5 years ago
replies 1
0
1
147
An echo returned in 3 s. What is the distance of the reflecting surface from the source, g...
By Trisha Dave, 5 years ago
replies 1
0
1
147
In which of the three media, air, water or iron, does sound travel the fastest at a partic...
By Trisha Dave, 5 years ago
replies 1
0
1
131
Distinguish between loudness and intensity of sound.
By Trisha Dave, 5 years ago
replies 1
0
1
127
A person is listening to a tone of 500 Hz sitting at a distance of 450 m from the source o...
By Trisha Dave, 5 years ago
replies 1
0
1
107
Calculate the wavelength of a sound wave whose frequency is 220 Hz and speed is 440 m s^-1...
By Trisha Dave, 5 years ago
replies 1
1
1
133
How are the wavelength and frequency of a sound wave related to its speed?
By Trisha Dave, 5 years ago
replies 1
0
1
111
What are wavelength, frequency, time period and amplitude of a sound wave?
By Trisha Dave, 5 years ago
replies 1
Page 17 / 18
Share:

How Can We Help?

    Home

    About Us

    Contact Us

    Privacy Policy

    Term of Use

    Copyright © 2020 Eanshub

    All Rights Reserved