Question
What is the relationship between wavelength and frequency?
Answer Options
- A) Wavelength gets longer as frequency increases
- B) Wavelength gets shorter as frequency increases
- C) Wavelength and frequency are unrelated
- D) Wavelength and frequency increase as path length increases
Correct Answer: B
Explanation
The relationship between wavelength (\lambda) and frequency (f) is inverse, as defined by the formula c = \lambda f (where c is the constant speed of light). Because the speed of light is a constant (T3B04), if the frequency goes up, the wavelength must go down.
Therefore, the correct relationship is that wavelength gets shorter as frequency increases. This is fundamental to radio, explaining why an antenna for the 2-meter band (146 MHz) is much smaller than an antenna for the 80-meter band (3.5 MHz).
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