Advertisements
Advertisements
Question
State the speed of (i) light and (ii) sound in air?
Advertisements
Solution
(i) Speed of light in air = 3 x 108 m s-1
(ii) Speed of sound in air = 330 m s-1.
APPEARS IN
RELATED QUESTIONS
Are sound waves longitudinal or transverse?
What is a transverse wave? In which medium: solid, liquid or gas, can it be produced?
he sound of an explosion on the surface of a lake is heard by a boatman 120 m away and by a diver 120 m below the point of explosion. Out of the two persons, who would hear the sound first? Why?
Name the factors on which the speed of sound depends.
What is the effect of temperature and pressure on the speed of sound in a gas?
Vibration of object produces ______.
Rapid back and forth motion of a particle about its mean position is called _____.
Why does an empty vessel produce more sound than a filled one?
What happens to the speed of sound when it gases from a solid to a gaseous state?
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
