Two plane polarized light waves combine at a certain point whose electric field components are
Find the amplitude of the resultant wave.
Text Solution
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To find the amplitude of the resultant wave for the given electric field components, we use the formula for the resultant amplitude of two combining waves. These components are:
The general formula for the amplitude 
of two superimposed waves 
and 
with a phase difference is:
where 
is the phase difference between the two waves. In this scenario, 
.
Substituting the given expressions and phase difference into the formula, we get:
Given that 
, this simplifies to:
Thus, the amplitude of the resultant wave is 
.
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