The figure shows two point sources of light,A and B,that emit light waves in phase with each other.A is distant 3$\lambda$ from point P.B is distant 5$\lambda$ from P.($\lambda$ is the wavelength. )The phase difference between the 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.

Question

The figure shows two point sources of light,A and B,that emit light waves in phase with each other.A is distant 3$\lambda$ from point P.B is distant 5$\lambda$ from P.($\lambda$ is the wavelength. )The phase difference between the 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.

Quizplus · Accepted Answer

The Answer of The figure shows two point sources of light,A and B,that emit light waves in phase with each other.A is distant 3$\lambda$ from point P.B is distant 5$\lambda$ from P.($\lambda$ is the wavelength. )The phase difference between the 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.

The Figure Shows Two Point Sources of Light,A and B,that λ\lambdaλ

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