The figure shows two point sources of light, A and B, that emit light waves in phase with each other. A is a distance of 3λ from point P. B is distant 5λ from P. (λ is the wavelength.) The phase difference between the waves arriving at P from A and B is
A)0 rad.
B)π rad.
C)2π rad.
D)3π rad.
E)4π rad.

Question

The figure shows two point sources of light, A and B, that emit light waves in phase with each other. A is a distance of 3λ from point P. B is distant 5λ from P. (λ is the wavelength.) The phase difference between the waves arriving at P from A and B is ​  ​
A)0 rad. 
B)π rad. 
C)2π rad. 
D)3π rad. 
E)4π 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 a distance of 3λ from point P. B is distant 5λ from P. (λ is the wavelength.) The phase difference between the waves arriving at P from A and B is ​  ​
A)0 rad. 
B)π rad. 
C)2π rad. 
D)3π rad. 
E)4π rad.

The Figure Shows Two Point Sources of Light, a and B