Multiple choice

What will be the frequency for a given wavelength of 1.5 Km?

  1. 200 KHz

  2. 220 KHz

  3. 240 KHz

  4. 260 KHz
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A Correct answer
Explanation

Using the formula c = f × λ where c is the speed of light (300,000 km/s), f is frequency in Hz, and λ is wavelength in km. For λ = 1.5 km: f = 300,000 / 1.5 = 200,000 Hz = 200 kHz. This is a standard frequency-wavelength conversion problem in radio communications.

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