Physics

Physics

Problem

Among two interfering sources, let

S_1

be ahead of the phase by

90^\circ

relative to

S_2

. If an observation point

P

is such that

PS_1 - PS_2 = 1.5\lambda

, the phase difference between the waves from

S_1

and

S_2

reaching

P

is a.

3\pi

b.

\frac{5\pi}{2}

c.

\frac{7\pi}{2}

d.

4\pi

Browse the problem library