Biology, asked by clairinebeyola5685, 6 months ago

Two metal rulers of lengths 30 cm and 60 cm are kept in such a manner that a 30 cm ruler extends about 15 cm over the edge and a 60 cm ruler extends about 30 cm over the edge. Both ends are flicked. Which of the following statements are correct regarding this?

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Answered by krishnangkhadas

Question: Two metal rulers of lengths 30 cm and 60 cm are kept in such a manner that a 30 cm ruler extends about 15 cm over the edge and a 60 cm ruler extends about 30 cm over the edge. Both ends are flicked. Which of the following statements are correct regarding this?

Question:(i) The metal ruler of length 30 cm is able to vibrate slower.

(ii) The metal ruler of length 30 cm produces a high pitch sound.

(iii) The metal ruler of length 60 cm is able to vibrate faster.

(iv) The metal ruler of length 60 cm produces a low pitch sound

Answer: (ii) and (iv)

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