The velocity of electromagnetic waves in free space is 3 10 8 ms -1 . The frequency of a…
Physics · Class 12 · CBSE — Electromagnetic Waves
The velocity of electromagnetic waves in free space is 3 \(\times\) 108 ms-1. The frequency of a radio wave of wavelength 150 m is
- 45 MHz
- 2 MHz
- 20 kHz
- 2 kHz
Answer
(B) 2 MHz
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