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Introduction to Waves

a body vibrat...

Question

a body vibrating with a time-period of 1/256s produces a sound wave which travels in air with a velocity of 350m/s. calculate the wavelength.

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Solution

Velocity $=$ 350m $/$ s
Time period $=$ 1 $/$ 256 s
frequency $=$ 1 $/$ (1 $/$ 256) $=$ 256Hz
Velocity $=$ wavelength $\times$ frequency
Wavelength $=$ Velocity $/$ frequency $=$ 350 $/$ 256 $=$ 1 $\cdot$ 367

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