A tuning fork vibrates at a fixed frequency of 512 Hz

PHYSICS · Single correct · GCSE · Physics · Waves · Waves

Problem

A tuning fork vibrates at a fixed frequency of 512 Hz. The speed of sound in air is 340 m/s at 15 °C and 351 m/s at 35 °C. What is the wavelength of the sound produced by the fork at 35 °C? (a) 0.73 m0.73\,\text{m} (b) 0.68 m0.68\,\text{m} (c) 0.69 m0.69\,\text{m} (d) 0.66 m0.66\,\text{m}

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