A wave has a frequency of 10 Hz and a wavelength of 2 m. What is the speed of the wave?

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A 5 m/s
B 20 m/s
C 12 m/s
D 8 m/s

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Answer: B. 20 m/s

Answer: B) 20 m/s
Explanation: Wave speed (v) is calculated using the wave equation v = f × λ, where f is frequency and λ is wavelength. Multiplying 10 Hz × 2 m yields 20 m/s.

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A wave has a frequency of 10 Hz and a wavelength of 2 m. What is the speed of the wave?

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