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If a beam of light enters one medium from another medium, what quantity does not change? A - Direction B - Speed C - Wavelength D - Frequency
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If a beam of light enters one medium from another medium, what quantity does not change?

A - Direction

B - Speed

C - Wavelength

D - Frequency

User WGS
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1 Answer

3 votes

The answer is D- Frequency

User GProst
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