Chapter: Superposition of Waves· Physics

Two tuning forks having frequencies 320 Hz and 340 Hz are sounded together to produce sound waves. The velocity of sound in air is 340 m/s. Find the difference in wavelength of these waves.

Q.13 Two tuning forks having frequencies 320 Hz and 340 Hz are sounded together to produce sound waves. The velocity of sound in air is 340 m/s. Find the difference in wavelength of these waves.

Doubtly Asked 29 Oct 2026 Board exam · March 2024 hsc 12th Save WhatsApp Report

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Answer: Difference in wavelength = 0.0625 m (6.25 cm)

\(\lambda_1 = \dfrac{v}{n_1} = \dfrac{340}{320} = 1.0625\) m, \(\lambda_2 = \dfrac{v}{n_2} = \dfrac{340}{340} = 1\) m.

\(\lambda_1 - \lambda_2 = 1.0625 - 1 = 0.0625\) m.

Doubtly AI · 29 Oct 2026 AI-generated · not yet verified Report

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Two tuning forks having frequencies 320 Hz and 340 Hz are sounded together to produce sound waves. The velocity of sound in air is 340 m/s. Find the difference in wavelength of these waves.

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