The speed of sound in air at is

PHYSICS · Single correct · A Level · Physics · Waves · Waves

Problem

The speed of sound in air at 0∘C0^{\circ}\text{C} is 331 m/s331\,\text{m/s}. The speed increases by 0.6 m/s0.6\,\text{m/s} for every 1∘C1^{\circ}\text{C} rise in temperature. What will be the wavelength of a 500 Hz500\,\text{Hz} sound produced at 25∘C25^{\circ}\text{C}? (a) 0.72 m0.72\,\text{m} (b) 0.69 m0.69\,\text{m} (c) 1.02 m1.02\,\text{m} (d) 0.66 m0.66\,\text{m}

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