To perform an experiment on verification of laws of reflection of sound
successfully, the reflecting surface should be a
(A) wooden board
(B) piece of white cloth.
(C) soft cardboard
(D) foam padded board
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To perform an experiment on verification of laws of reflection of sound
successfully, the reflecting surface should be a
(A) wooden board
(B) piece of white cloth.
(C) soft cardboard
(D) foam padded board
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Answer:
Wodden board is answer of the question
Answer:
(a) WOODEN BOARD IS CORRECT ANSWER