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Questions and Answers
What happens to the frequency and wavelength if the energy of the wave
decreases?
What happens to the frequency and wavelength if the energy of the wave decreases?
- wavelength increases, frequency increases
- wavelength increases, frequency decreases (correct)
- wavelength decreases, frequency decreases
- wavelength decreases, frequency increases
How does an increase in frequency affect electromagnetic waves?
How does an increase in frequency affect electromagnetic waves?
- Energy carried by the wave increases.
- Wavelength decreases.
- both A and B (correct)
- neither A nor B
Radio waves, X-ray waves, and microwaves are detected to be travelling in a
vacuum. If the waves have a wavelength of 2 x 103 m, 2 x 10-9 m, 2 x 10-1 m
respectively, which of the three travels the fastest?
Radio waves, X-ray waves, and microwaves are detected to be travelling in a vacuum. If the waves have a wavelength of 2 x 103 m, 2 x 10-9 m, 2 x 10-1 m respectively, which of the three travels the fastest?
- X-ray waves
- micowaves
- radio waves
- They all travel at the same speed. (correct)
