Aim: To find the reflection and absorption of sound.
Procedure:
Keep an object that produces a sound inside a closed container (a cardboard box or wooden box or cupboard or almirah).
Try to hear the sound when the container is closed.
Then open the container and hear the sound.
Is there any difference in sound? If yes, then write the reason.
Write your observations:
What result can you conclude from this observation?
Answers
Answer:
the decimal representation of 21/150 is
the decimal representation of 21/150 is
the decimal representation of 21/150 is
the decimal representation of 21/150 is
the decimal representation of 21/150 is
the decimal representation of 21/150 isthe decimal representation of 21/150 is
the decimal representation of 21/150 is
the decimal representation of 21/150 is
the decimal representation of 21/150 is
the decimal representation of 21/150 is
the decimal representation of 21/150 is
the decimal representation of 21/150 is
the decimal representation of 21/150 is
the decimal representation of 21/150 is
the decimal representation of 21/150 is
the decimal representation of 21/150 is
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