EASY

JEE Main

IMPORTANT

Earn 100

All electromagnetic wave is transporting energy in the negative $z$ direction. At a certain point and certain time the direction of electric field of the wave is along positive $y$ direction. What will be the direction of the magnetic field of the wave at that point and instant?

66.67% studentsanswered this correctly

Important Questions on Electromagnetic Waves

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 17 - Electromagnetic Waves>JEE Main - 25 January 2023 Shift 2>Q 81

Match List I and List II

A	Gauss’s Law in Electrostatics	I	$\oint \vec{E} \cdot \vec{d l} = - \frac{d ϕ_{B}}{d t}$
B	Faraday's Law	II	$\oint \vec{B} \cdot d \vec{A} = 0$
C	Gauss’s Law in Magnetism	III	$\oint \vec{B} \cdot d \vec{l} = μ_{0} i_{c} + μ_{0} \in_{0} \frac{d ϕ_{E}}{d t}$
D	Ampere-Maxwell Law	IV	$\oint \vec{E} \cdot d \vec{s} = \frac{q}{\in_{0}}$

Choose the correct answer from the options given below :

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 17 - Electromagnetic Waves>JEE Main - 29 January 2023 Shift 2>Q 82

Given below are two statements :

Statement I : Electromagnetic waves are not deflected by electric and magnetic field.

Statement II : The amplitude of electric field and the magnetic field in electromagnetic waves are related to each other as $E_{0} = \sqrt{\frac{μ_{0}}{ε_{0}}} B_{0}$ .

In the light of the above statements, choose the correct answer from the options given below:

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 17 - Electromagnetic Waves>JEE Main - 30 January 2023 Shift 1>Q 83

A point source of light is placed at the centre of curvature of a hemispherical surface. The source emits a power of

24 W

. The radius of curvature of hemisphere is

10 cm

and the inner surface is completely reflecting. The force on the hemisphere due to the light falling on it is ______

\times 10^{- 8} N

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 17 - Electromagnetic Waves>JEE Main - 30 January 2023 Shift 2>Q 84

A point source of

100 W

emits light with

5 %

efficiency. At a distance of

5 m

from the source, the intensity produced by the electric field component is:

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 17 - Electromagnetic Waves>JEE Main - 31 January 2023 Shift 2>Q 85

Match List I and List II

	List I		List II
A	Microwaves	I	Physiotherapy
B	UV rays	II	Treatment of cancer
C	Infra-red rays	III	Lasik eye surgery
D	X-rays	IV	Aircraft navigation

Choose the correct answer from the option given below:

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 17 - Electromagnetic Waves>JEE Main - 1 February 2023 Shift 1>Q 86

Match the List-I with List-II:

	List I		List II
A	Microwaves	I	Radioactive decay of the nucleus
B	Gamma rays	II	Rapid acceleration and deceleration of electron in aerials
C	Radio waves	III	Inner shell electrons
D	X-rays	IV	Klystron valve

Choose the correct answer from the options given below:

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 17 - Electromagnetic Waves>JEE Main - 1 February 2023 Shift 2>Q 87

The ratio of average electric energy density and total average energy density of electromagnetic wave is:

All electromagnetic wave is transporting energy in the negative z direction. At a certain point and certain time the direction of electric field of the wave is along positive y direction. What will be the direction of the magnetic field of the wave at that point and instant?

Important Questions on Electromagnetic Waves

Learn and Prepare for any exam you want !

All electromagnetic wave is transporting energy in the negative $z$ direction. At a certain point and certain time the direction of electric field of the wave is along positive $y$ direction. What will be the direction of the magnetic field of the wave at that point and instant?