Question
Repetition of sound produced by reflection of sound
waves is called-Solution
Echo: If we shout or clap near a suitable reflecting object such as a tall building or a mountain, we will hear the same sound again a little later. This sound which we hear is called an echo. Â Echoes are heard due to the phenomenon of Reflection of sound waves. To hear the echo clearly, the reflecting object must be more than 17.2 m from the sound source for the echo to be heard by a person standing at the source.
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II- It wa...
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Consider the following Statements and choose the option with correct Statements.
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Consider the following Statements and choose the option with correct Statements.
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I- Delhi
II- Varana...
Which of the following correctly describes Brownfield Project?
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