New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Electromagnetic Waves question

2020 · 4 Sep · Shift 2 · Q54

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

PYQ Library
JEE Main
Physics
Electromagnetic Waves
2020 · 4 Sep · Shift 2 · Q54

Electromagnetic Waves question

2020 · 4 Sep · Shift 2 · Q54

JEE MainPhysicsElectromagnetic WavesMCQ+4 / −1

The electric field of a plane electromagnetic wave is given by

\overrightarrow E = {E_0}\left( {\widehat x + \widehat y} \right)\sin \left( {kz - \omega t} \right)

Its magnetic field will be given by :

A
${{{E_0}} \over c}\left( {\widehat x + \widehat y} \right)\sin \left( {kz - \omega t} \right)$
B
${{{E_0}} \over c}\left( {\widehat x - \widehat y} \right)\sin \left( {kz - \omega t} \right)$
C
${{{E_0}} \over c}\left( {\widehat x - \widehat y} \right)\cos \left( {kz - \omega t} \right)$
D
${{{E_0}} \over c}\left( { - \widehat x + \widehat y} \right)\sin \left( {kz - \omega t} \right)$

More from Electromagnetic Waves

An electron is constrained to move along the y-axis with a speed of 0.1 c (c is the speed of light) in the presence of electromagnetic wave, whose electric field is $E = 30 j sin (1.5 \times 10^{7} t - 5 \times 10^{- 2} x)$ …2020 · MCQ
The correct match between the entries in column I and column II are : Includes table2020 · MCQ
Suppose that intensity of a laser is $\frac{315}{π}$ W/m2. The rms electric field, in units of V/m associated with this source is close to the nearest integer is . $\in$ 0 = 8.86 × 10–12 C2 Nm–2; c = 3 × 108…2020 · Numerical
For a plane electromagnetic wave, the magnetic field at a point x and time t is $B (x, t)$ = $[1.2 \times 10^{- 7} sin (0.5 \times 10^{3} x + 1.5 \times 10^{11} t) k]$ …2020 · MCQ
If the magnetic field in a plane electromagnetic wave is given by $B$ = 3 $\times$ 10-8 sin(1.6 $\times$ 103x + 48 $\times$ 1010t) $j$ T, then what will be expression for electric field ?2020 · MCQ
The electric field of a plane electromagnetic wave is given by $E = E_{0} \frac{i + j}{2} cos (k z + ω t)$ At t = 0, a positively charged particle is at the point (x, y, z) = $(0, 0, \frac{π}{k})$ …2020 · MCQ
A plane electromagnetic wave of frequency 25 GHz is propagating in vacuum along the z-direction. At a particular point in space and time, the magnetic field is given by $B = 5 \times 1 0^{- 8} j T$ . The…2020 · MCQ
The electric fields of two plane electromagnetic plane waves in vacuum are given by $E_{1} = E_{0} j cos (ω t - k x)$ and $E_{2} = E_{0} k cos (ω t - k y)$ …2020 · MCQ