jee_main_2026_23_january_morning - Electromagnetic Waves Topics

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QUESTION #28 Maxwell's Equations
Match List-I with List-II.
List-I (Relation)List-II (Law)
A.ointvecEcdotvecdl=-fracddtointvecBcdotvecdaI.Ampere's circuital law.
B.oint vecBcdotvecdl=mu_0left(1+epsilon_0fracdphi_Edtright)II.Faraday's laws of electromagnetic induction.
(C)ointvecEcdotvecda=frac1epsilon_0intrho dvIII.Ampere-Maxwell law
(D)ointvecBcdotvecdl=mu_0IIV.Gauss's law of electrostatics
Choose the correct answer from the options given below :
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QUESTION #47 Energy Density and Intensity
The equation of the electric field of an electromagnetic wave propagating through free space is given by : E = sqrt377 sin(6.27 times 10^3 t - 2.09 times 10^-5 x) text N/C The average power of the electromagnetic wave is left(frac1alpharight)textW/textm^2. The value of alpha is ____ left(textTake sqrtfracmu_0varepsilon_0 = 377 text in SI unitsright)
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JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%) | JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%)
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