A wave has a frequency of and a wavelength of . What is its speed (in m/s)?
Answer and explanation
Correct answer: C. 2500
**
- Step 1: Wave velocity is the product of frequency and wavelength: .
- Step 2: Plug in and : .
- Step 3: Calculating the product yields .
Answer
2500.
Why not the others: '5000' multiplies by an extra factor of ; '100' divides frequency by wavelength () instead of multiplying; '505' adds frequency and wavelength () instead of multiplying.
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