Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Electromagnetic Waves

Question:

If a source is transmitting Electromagnetic Waves of frequency 8.196 × 106 Hz, then the wavelength of the Electromagnetic Waves transmitted from the source will be

Options:

5090 cm

4050 cm

4230 cm

3660 cm

Correct Answer:

3660 cm

Explanation:

Given , frequency of EM waves

v = 8.196 × 106 Hz

Velocity of EM waves $ (v) = 3 × 10^8 $ m/s

∴Wavelength of EM waves $λ =\frac{v}{V}$

$=\frac{3×10^8}{8.196×10^6}=36.60 $ m

$= 3660 $ cm