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Waves: Properties of Light and Sound
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Grade 7
7.82 Waves: Properties of Light and Sound
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Wave M has higher frequency but lower energy than Wave N in the same medium. Which set of values fits that description?
A
Wave M amplitude 1 cm, wavelength 2 cm; Wave N amplitude 4 cm, wavelength 6 cm
B
Wave M amplitude 3 cm, wavelength 7 cm; Wave N amplitude 3 cm, wavelength 7 cm
C
Wave M amplitude 4 cm, wavelength 8 cm; Wave N amplitude 1 cm, wavelength 2 cm
D
Wave M amplitude 5 cm, wavelength 9 cm; Wave N amplitude 2 cm, wavelength 3 cm
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