EASY
JEE Main/Advance
IMPORTANT
Earn 100

An electromagnetic wave consists of oscillating electric and magnetic field vector. The phase difference between the two oscillating field is

50% studentsanswered this correctly

Important Questions on Electromagnetic Waves

EASY
JEE Main/Advance
IMPORTANT
Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>EXERCISE>Q 7
If E→ and B→ represent the electric and magnetic field vectors of the electromagnetic waves, then the direction of propagation of the electromagnetic waves is that of
MEDIUM
JEE Main/Advance
IMPORTANT
Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 1
If in a region there is a time varying electric field then which of the following Maxwell's equation will be most suitable?
EASY
JEE Main/Advance
IMPORTANT
Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 3
An electromagnetic wave travels in a medium with speed 2×108 m s-1. If relative permeability of medium is 1.0, then relative permittivity is
EASY
JEE Main/Advance
IMPORTANT
Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 7
Which of the following represents an infra-red wavelength?
HARD
JEE Main/Advance
IMPORTANT
Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 8
If an electromagnetic wave propagating through vacuum is described by Ey=E0sin(kx-ωt);Bz=B0sin(kx-ωt), then
HARD
JEE Main/Advance
IMPORTANT
Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 9

The figure gives the magnetic field of an electromagnetic wave at a certain point and at a certain instant. The wave transports energy in negative y-direction. Then the direction of electric field at this point and instant is

Question Image

HARD
JEE Main/Advance
IMPORTANT
Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 10
The amplitude of electric field at a distance r from a point source of power P is (taking 100% efficiency)
EASY
JEE Main/Advance
IMPORTANT
Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 11
Displacement current exists in the region between the plates of a parallel plate capacitor if: