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MHT CET Physics question

PhysicsExperimental SkillsMHT CET

In a resonance tube, using a tuning fork of frequency 325 Hz, two successive resonance lengths are observed as 25.4 cm and 77.4 cm respectively. The velocity of sound in air is

Answer: (A)

Solution

cm so m and $v=fλ=325×1.04=338\

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Question ID VK-070339