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Physics Question on Electromagnetic waves

A plane electromagnetic wave of frequency 20 MHz propagates in free space along x-direction. At a particular space and time, E→=6.6  j^V/m.\overrightarrow E =6.6 \;\hat jV/m .What is B→\overrightarrow B at this point ?

A

−2.2×10−i^  T-2.2 \times 10^{-}\hat i\;T

B

−2.2×10−8k^  T-2.2 \times 10^{-8}\hat k\;T

C

2.2×10−8i^  T2.2 \times 10^{-8}\hat i\;T

D

2.2×10−8k^  T2.2 \times 10^{-8}\hat k\;T

Answer

2.2×10−8k^  T2.2 \times 10^{-8}\hat k\;T

Explanation

Solution

The Correct Option is (D): 2.2×10−8k^  T2.2 \times 10^{-8}\hat k\;T