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Question


What is the relationship between wavelength and frequency in a given medium?


Options:
A .   Wavelength is directly proportional to frequency
B .   Wavelength is inversely proportional to frequency
C .   Frequency is twice the wavelength
D .   Wavelength is twice the frequency
Answer: Option B
:
B
λ=vf 
where:
λ: Wavelength
f: Frequency
v: Speed of light in the given medium
In a medium, speed is constant. 
λ1f
Hence, wavelength is inversely proportional to frequency in a medium.

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