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Physics - Sound Wave Question with Solution | TestHub

PhysicsSound WaveWavesHard2 minQB

PhysicsHardsingle choice

A listener is 80 m from a source and also receives a wave reflected from a 30 m high ceiling at the midpoint. Constructive interference occurs for wavelengths:

Options:

Answer:

Solution:

Reflected path = $2 4 0^{2} + 3 0^{2} = 100$ m. Path difference = $20$ m = $nλ$ , so $λ = 20, 10, 20/3, 5, \dots$

Stream:JEESubject:PhysicsTopic:Sound WaveSubtopic:Waves

⏱ 2mℹ️ Source: QB

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