A strobe light flashes 20.0 times per second

PHYSICS · Subjective · CBSE · Physics · Waves · Waves

Problem

A strobe light flashes 20.0 times per second. After 8 flashes, a particular water-surface crest is observed to have moved 3.20 m from its initial position. Determine (a) the speed of the wave crest and (b) the wavelength of the wave.

Related theory

Wave Description
Wave Speed Relation
Wave Speed
Wave Properties
Sound
Waves
Speed of sound
Speed of a travelling wave

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