JEE Mains · Physics · STD 12 - 8. Electromagnetic waves
If frequency of electromagnetic wave is \(60 \mathrm{MHz}\) and it travels in air along \(\mathrm{z}\) direction then the corresponding electric and magnetic field vectors will be mutually perpendicular to each other and the wavelength of the wave (in \(\mathrm{m}\) ) is _______.
- A \(2.5\)
- B \(10\)
- C \(5\)
- D \(2\)
Answer & Solution
Correct Answer
(C) \(5\)
Step-by-step Solution
Detailed explanation
\(\lambda=\frac{\mathrm{c}}{\mathrm{f}}=\frac{3 \times 10^8}{60 \times 10^6}=5 \mathrm{~m}\)
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