If frequency of electromagnetic wave |LawsMotionJEEMAIN2023

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JEE MAIN 2024

01-02-2024 S2

Question

If frequency of electromagnetic wave is 60MHz and it travels in air along z direction then the corresponding electric and magnetic field vectors will be mutually perpendicular to each other and the wavelength of the wave (in m ) is :

Select the correct option:

A

2.5

B

10

C

5

D

2

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

$\lambda=\frac{c}{f}=\frac{3 \times 10^8}{60 \times 10^6}=5 \mathrm{~m}$

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