Electromagnetic Waves · Physics · VITEEE
MCQ (Single Correct Answer)
1
The magnetic field in a electromagnetic wave is given by
$$B_y=2 \times 10^{-7} \sin \left(0.5+10^3 x+1.5 \times 10^{11} t\right) \mathrm{T}$$
The frequency of the wave is (in GHz)
VITEEE 2024
2
An electromagnetic wave with poynting vector $6 \mathrm{Wm}^{-2}$ is absorbed by a surface area $12 \mathrm{~m}^2$. The force on the surface is
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3
Which component of electromagnetic spectrum have maximum wavelength?
VITEEE 2021