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
Flash and thunder are produced simultaneously. But thunder is heard a few seconds after the flash is seen, why?
A stone is dropped from the top of a tower 500 m high into a pond of water at the base of the tower. When is the splash heard at the top? Given, g = 10 m s−2 and speed of sound = 340 m s−1.
Write the approximate speed of sound in water .
If you want to hear a train approaching from far away, why is it more convenient to put the ear to the track?
What is meant by supersonic speed?
Which of the following travels slowest in air and which one fastest? Supersonic aircraft, Light, Sound
Calculate the speed of a sound wave whose frequency is 2 kHz and wavelength 65 cm.
The speed of highly penetrating ultrasonic waves is :
Nita heard the sound of lightning after 4 seconds of seeing it. What was the distance of the lightning from her?
(The velocity of sound in air is 340 m/s.)
The velocity of sound by a tuning fork frequency of 480 Hz is 340 ms Its wavelength is ______.
