ICSE X Physics Sound
How do trawlers use echo method to find location of shoals of fish
Asked by lovemaan5500
30th November 2017
8:38 PM
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ICSE X Physics
State one property of waves used for echo depth sounding. and please explain.
Asked by bdroy_2014
27th January 2018
1:35 PM
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ICSE VIII Physics
A man is Firing a gun at a terrain distance from a hill. He heart a echo after 4.6 sec. He come classes by 300m. Now he heard the echo after 2.4sec. what will be the distance initially
Asked by biswanilkhan99
14th February 2018
8:39 AM
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ICSE X Physics
A man standing in front of a wall produces a sound and hears an echo after 3s. He walks ‘x’ m away from the wall and produces the same sound. Now he hears an echo after 5.25s. Calculate the distance he walked away from the wall. (Speed of sound in air is 340 m/s)
Asked by Manju
15th March 2018
6:31 PM
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ICSE X Physics
A person is standing between two vertical cliffs and is 800 m away from the nearest Cliff.he shouted ,heard his first echo after 5 s and second echo 10 s later.calculate 1)speed of sound 2) distance between the two cliff
Asked by Sunita
11th May 2018
8:25 PM
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ICSE X Physics Sound
Why echoes cannot be produced in a small room??
Asked by cherry.workmail123
31st July 2018
3:12 PM
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CBSE IX Physics Sound
Sunil is standing between two walls.the wall closest to him is at a distance of 360 m. if he shouts , he hears the first echo after 4s and another 2 second . What is the veocity of sound in air ? What is the distance between the two walls
Asked by Shivapujenitesa
16th December 2018
7:12 PM
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ICSE IX Physics
An engine is approaching a tunnel surmounted by a Cliff and emits a short whistle when 1km away. The echo reaches the engine after 5 second.calculate the speed of engine assuming the velocity of sound to be 340m/s.
Asked by Palaibabulal838
13th February 2019
10:19 AM
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ICSE X Physics Sound
A person is standing between two vertical cliffs and 480m from the nearest cliff shouts.He hears the first echo after 3s and the second echo 2s later .calculate: 1.The speed of sound . 2.the distance of the other cliff from the person.
Asked by Mail.nehasharmaa
20th February 2019
8:52 AM
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CBSE IX Physics Sound
A stone
Asked by satyamthakur7570
21st December 2020
9:04 PM
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ICSE VII Physics Sound
What do you meant by term echo?
Asked by patelanshu5599.7sdatl
30th January 2021
10:30 AM
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ICSE VII Physics Sound
What do you meant by term echo?
Asked by patelanshu5599.7sdatl
30th January 2021
10:32 AM
Answered by Expert
