The maximum value of E^- in an electromagnetic waves in air is equal to 6.0 ×10^-4 Vm^-1. The ma

Name: Problem 2131, Chapter 15: JEE Physics
Uploaded: 2021-10-01T18:18:11-08:00
Duration: 1 min 1 s
Channel: Narayan Hari
Description: The maximum value of E^- in an electromagnetic waves in air is equal to 6.0 ×10^-4 Vm^-1. The maximum value of B^- is (A) 1.8 ×10^5 T (B) 2.0 ×10^4 T (C) 2.0 ×10^-12 T (D) 1.8 ×10^13 T

step 1 In this problem, first time writing the given data. So, E0 is given as 6 multiplication 10 to th

Question

The maximum value of $\mathrm{E}^{-}$ in an electromagnetic waves in air is equal to $6.0 \times 10^{-4} \mathrm{Vm}^{-1}$. The maximum value of $\mathrm{B}^{-}$ is (A) $1.8 \times 10^{5} \mathrm{~T}$ (B) $2.0 \times 10^{4} \mathrm{~T}$ (C) $2.0 \times 10^{-12} \mathrm{~T}$ (D) $1.8 \times 10^{13} \mathrm{~T}$

   The maximum value of $\mathrm{E}^{-}$ in an electromagnetic waves in air is equal to $6.0 \times 10^{-4} \mathrm{Vm}^{-1}$. The maximum value of $\mathrm{B}^{-}$ is
(A) $1.8 \times 10^{5} \mathrm{~T}$
(B) $2.0 \times 10^{4} \mathrm{~T}$
(C) $2.0 \times 10^{-12} \mathrm{~T}$
(D) $1.8 \times 10^{13} \mathrm{~T}$

JEE Physics

StemEZ 1st Edition

Chapter 15, Problem 2131

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Solved by Expert Narayan Hari

10/01/2021

Step 1

We are given that the maximum value of the electric field strength $E$ in an electromagnetic wave in air is $6.0 \times 10^{-4} \mathrm{Vm}^{-1}$. Show more…

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The maximum value of $\mathrm{E}^{-}$ in an electromagnetic waves in air is equal to $6.0 \times 10^{-4} \mathrm{Vm}^{-1}$. The maximum value of $\mathrm{B}^{-}$ is (A) $1.8 \times 10^{5} \mathrm{~T}$ (B) $2.0 \times 10^{4} \mathrm{~T}$ (C) $2.0 \times 10^{-12} \mathrm{~T}$ (D) $1.8 \times 10^{13} \mathrm{~T}$

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Key Concepts

Electromagnetic Wave Propagation

Electromagnetic waves consist of oscillating electric and magnetic fields that propagate together through space. These fields are perpendicular to each other and to the direction of wave propagation. Understanding this propagation is fundamental to fields such as optics, telecommunications, and quantum mechanics.

Electric and Magnetic Field Relationship

In free space or air, the magnitudes of the electric field (E) and magnetic field (B) in an electromagnetic wave are intrinsically linked by the speed of light (c). This relationship is given by the formula E = cB, meaning the magnetic field amplitude can be calculated by dividing the electric field amplitude by the speed of light. This concept is essential for solving problems involving the strength of either field.

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