Question

Two plane glass plates are placed on top of one another and on one side a cardboard is introduced to form a
thin wedge of air. Assuming that a beam of wavelength 6000 Å is incident normally and that there are 100
interference fringes per centimeter, the wedge angle is.
(a)0.003 rad
(b) 0.005 rad (c) 0.125 rad
(d) 0.050 rad​

Answer 1

Answer:

sorry

Explanation:

I don't know the answer. please excuse me