Advertisements
Advertisements
Question
Fill in the blank.
The number of times a body vibrates in one second is called its ______.
Advertisements
Solution
The number of times a body vibrates in one second is called its frequency.
APPEARS IN
RELATED QUESTIONS
In fig. shows a snap shot of a wave from of frequency 50 Hz in a string. The numbers in the diagram represents distance in centimeters. Fpr the wave motion, find
(a) Wavelength,
(b) Amplitude,
(c) Velocity.
What causes sound?
A cannon is fired at A (see diagram). An observer at B hears two sounds. The first sound is heard after 1 second and the second 3s after the observer sees the flash. (Velocity of sound = 340 ms−1)
(i) Why does the observer see the flash before he hears the sound?
(ii) Calculate the distance x between the observer and the wall.
What kinds of waves are produced in solids, liquids, and gases?
How do the following factor affect the speed of sound in air?
Moisture in air.
What do you mean by the frequency of sound?
How does the sound produced by a vibrating object in a medium reach your ears?
What is a longitudinal wave?
______ is an unwanted sound.
