Bell developed a device to record sound waves using wha - Practice (English) | ObjectiveMcq

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Bell developed a device to record sound waves using wha - Practice (English) | ObjectiveMcq

PracticeLeadersAlexander Graham BellBell developed a device to record s...

Alexander Graham Bell LeadersEasy

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Bell developed a device to record sound waves using what?

Correct Answer:

(A) Glass Plates

Explanation:

Glass Plates

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