Advertisements
Advertisements
Question
If 20 waves are produced per second, What is the frequency is hertz?
Solution
If 20 waves are produced per second, the frequency of sound waves is 20 Hz.
APPEARS IN
RELATED QUESTIONS
Explain why you can predict the arrival of a train by placing your ear on the rails without seeing it.
Which characteristics of the sound helps you to identify your friend by his voice while sitting with others in a dark room?
What is the name of the strings which vibrate in our voice box when we talk?
A tuning fork has a number 256 marked on it. What does this number signify?
Describe a simple experiment to show that the prongs of a sound producing tuning fork are vibrating.
A device called oscillator is used to send waves along a stretched string. The string is 20 cm long, and four complete waves fit along its length when the oscillator vibrates 30 times per second. For the waves on the strings.
(a) what is their wavelength?
(b) what is their frequency
(c) what is their speed?
Different sound notes have different ______.
Sound is produced by ______.
The vibrations of a simple pendulum are also known as _______.
You and your friend are on the moon. Will you be able to hear any sound produced by your friend?
