Gamma Question Bank for Engineering Physics>Class XII>Electromagnetic Waves>Electromagnetic Spectrum

Electromagnetic Spectrum

Author:Embibe Experts

JEE Main/Advance

IMPORTANT

Important Questions on Electromagnetic Spectrum

EASY

IMPORTANT

Gamma Question Bank for Engineering Physics>Class XII>Electromagnetic Waves>Electromagnetic Spectrum> Q 1

Which of the following represents an infra-red wavelength?

EASY

IMPORTANT

Gamma Question Bank for Engineering Physics>Class XII>Electromagnetic Waves>Electromagnetic Spectrum> Q 2

The magnetic field in a plane electromagnetic wave is given by $= 2 \times 10^{- 7} \sin (0.5 \times 10^{3} x + 1.5 \times 10^{11} t)$ . This electromagnetic wave is

EASY

IMPORTANT

Gamma Question Bank for Engineering Physics>Class XII>Electromagnetic Waves>Electromagnetic Spectrum> Q 3

Which of the following $EM$ radiations has least wavelength?