A laser beam has intensity 2.5 \\times10^{14} {{W}}/{{m}^{2}}. If the amplitude of magnetic field in the beam is 16 {k} \\times10^{-2} {T}. Find the value of {k}.

JEE Advanced 2021 Full Test 2 Paper 2

SECTION – B (Single Digit Integer Type)
This section contains 06 questions. The answer to each question is a Single Digit integer ranging from 0 to 9, both inclusive.

Question : 11 of 54

Marks: +1, -0

A laser beam has intensity 2.5×1014

. If the amplitude of magnetic field in the beam is 16k×10−2T. Find the value of k.

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