New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Electromagnetic Waves question

2022 · 25 Jun · Shift 2 · Q58

Guest · try one question or challengeGuest · try one question or challenge

PYQ Library
JEE Main
Physics
Electromagnetic Waves
2022 · 25 Jun · Shift 2 · Q58

Electromagnetic Waves question

2022 · 25 Jun · Shift 2 · Q58

JEE MainPhysicsElectromagnetic WavesMCQ+4 / −1

The electromagnetic waves travel in a medium at a speed of 2.0

\times

108 m/s. The relative permeability of the medium is 1.0. The relative permittivity of the medium will be :

A
2.25
B
4.25
C
6.25
D
8.25

More from Electromagnetic Waves

The magnetic field of a plane electromagnetic wave is given by : $B = 2 \times 1 0^{- 8} sin (0.5 \times 1 0^{3} x + 1.5 \times 1 0^{11} t) \hat{j} T$ . The amplitude of the electric…2022 · MCQ
The oscillating magnetic field in a plane electromagnetic wave is given by $B_{y} = 5 \times 1 0^{- 6} sin 1000 π (5 x - 4 \times 1 0^{8} t) T$ . The amplitude of electric field will be :2022 · MCQ
A velocity selector consists of electric field $E = E \hat{k}$ and magnetic field $B = B \hat{j}$ with $B = 12 m T$ . The value of $E$ required for an electron of energy $728 e V$ moving along the positive $x$ -axis to…2022 · MCQ
If Electric field intensity of a uniform plane electromagnetic wave is given as $E = - 301.6 sin (k z - ω t) a_{x} + 452.4 sin (k z - ω t) a_{y} \frac{V}{m}$ . Then magnetic intensity 'H' of this wave in Am $-$ 1…2022 · MCQ
In free space, an electromagnetic wave of 3 GHz frequency strikes over the edge of an object of size $\frac{λ}{100}$ , where $λ$ is the wavelength of the wave in free space. The phenomenon, which happens there will be :2022 · MCQ
Which is the correct ascending order of wavelengths?2022 · MCQ
A beam of light travelling along $X$ -axis is described by the electric field $E_{y} = 900 sin ω (t - x / c)$ . The ratio of electric force to magnetic force on a charge $q$ moving along $Y$ -axis with a speed of $3 \times 1 0^{7} ms^{- 1}$ …2022 · MCQ
Identify the correct statements from the following descriptions of various properties of electromagnetic waves. (A) In a plane electromagnetic wave electric field and magnetic field must be perpendicular to each other and direction of…2022 · MCQ