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MHT CET Physics question

PhysicsWavesMHT CET

Two strings and are slightly out tune and produces beats of frequency 5 Hz. Increasing the tension in reduces the beat frequency to 3 Hz. If the frequency of string is 450 Hz, calculate the frequency of string .

Answer: (C)

Solution

= 445 or 455 Hz; raising 's tension raises , which reduces the beats only if Hz,

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Question ID VK-070344