Advertisements
Advertisements
प्रश्न
A boy fires a gun and hears the echo 2 seconds later. If he is 480 m away from a wall, calculate the velocity of sound in air.
संख्यात्मक
Advertisements
उत्तर
Velocity of sound = `"distance travelled"/"time taken" = (2"d")/"t"`
∴ Velocity of sound = `(2 xx 480)/2` = 480 m/s
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
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 vacuum? Explain why, sound cannot travel through vacuum?
Which one of the following does not consist of transverse waves?
State two factors on which the velocity of a wave depends.
What are the lowest and highest limits of frequencies of sound which is audible to a human ear?
State the speed of (i) light and (ii) sound in air?
A medium is necessary for ______ of sound.
Select the correct option:
Which of the following is an elastic wave?
How does the sound produced by a vibrating object in a medium reach your ears?
Unwanted sounds are called ______.
