The Figure Shows Two Point Sources of Light,A and B $\pi$

question 52

Multiple Choice

The figure shows two point sources of light,A and B.B emits light waves that are + $\pi$ radians out of phase with the waves from A.A is 3 $\lambda$ from P.B is 5 $\lambda$ from P.( $\lambda$ is the wavelength. ) The phase difference between waves arriving at P from A and B is

• A)0 rad.
• B) \(\pi\) rad.
• C)2 \(\pi\) rad.
• D)3 \(\pi\) rad.
• E)4 \(\pi\) rad.

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Definitions:

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