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Standard VII
Physics
Sonar
3 conditions ...
Question
3 conditions for an echo
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Q.
(i) What is an echo?
(ii) State two conditions for an echo to take place.
Q.
What is meant by an echo ? State two conditions necessary for an echo to be heard distinctly.
Q.
Give the conditions for an production of Echo? Why do we not get echo in small rooms?
Q.
What are the conditions required to hear a distinct echo?
Q.
What is an echo? Mention the condition for the echo to be heard.
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