Advertisements
Advertisements
प्रश्न
A strong sound signal is sent from a ship towards the bottom of the sea. It is received back after 1s. What is the depth of sea given that the speed of sound in water 1450 ms–1?
Advertisements
उत्तर
Velocity of sound in water = `"Distance travelled by sound"/"Time taken"`
Depth of the sea, d = velocity × time
d = `"vt"/2` = `(1450xx1)/2` = 725 m.
APPEARS IN
संबंधित प्रश्न
Write the approximate speed of sound in air.
If you want to hear a train approaching from far away, why is it more convenient to put the ear to the track?
What name is given to those aircrafts which fly at speeds greater than the speed of sound?
A jet aircraft flies at a speed of 410 m/s. What is this speed known as?
Calculate the speed of a sound wave whose frequency is 2 kHz and wavelength 65 cm.
A worker lives at a distance of 1.32 km from the factory. If the speed of sound in air be 330 m/s, how much time will the sound of factory siren take to reach the worker?
A worker lives at a distance of 1.32 km from the factory. If the speed of sound in air be 330 m/s, how much time will the sound of factory siren take to reach the worker?
A man is kidnapped, blindfolded and imprisoned in a big room. How could the man tell if he was in : a city
The velocity of sound in air at a particular temperature is 330 ms–1. What will be its value when temperature is doubled and the pressure is halved?
Why does sound travel faster on a rainy day than on a dry day?
