Cambridge IGCSE Physics practice
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At a glance
3
Paper
2
Marks
Topic
General properties of waves
Exam-style question
Calculating wave speed from given values.
Description
A wave has a frequency of 250 Hz and a wavelength of 4 m. Calculate the wave speed.
State the wave speed of the wave.
Aim for approximately 2 distinct marking points.
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Question 1 of 5
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Description
A sound wave travels through air and water. The frequency of the sound wave is 500 Hz in both media. The wavelength in air is 0.68 m, while in water, it is 1.5 m.
State the formula for calculating wave speed.
Aim for approximately 1 distinct marking point.