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.∮ E· dl=-(d)/(dt)∮ B· daI.Ampere's circuital law.
B.∮ B· dl=μ₀(1+ε₀ dφEdt)II.Faraday's laws of electromagnetic induction.
(C)∮ E· da= 1ε₀∫ρ dvIII.Ampere-Maxwell law
(D)∮ B· dl=μ₀IIV.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 = √(377) (6.27 × 10³ t - 2.09 × 10⁻⁵ x) N/C The average power of the electromagnetic wave is ((1)/(α))W/m². The value of α is ____ (Take μ₀ε₀ = 377 in SI units)
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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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