A thin sheet of refractive index 1.25 and thickness 0.5 cm is placed in the path of light from one source in the Young s double slit experiment. What is the path difference observed?

A thin sheet of refractive index 1.25 and thickness 0.5 cm is placed i

1.	A thin sheet of refractive index 1.25 and thickness 0.5 cm is placed in the path of light from one source in the Young s double slit experiment. What is the path difference observed?
A.	1.25 mm
B.	2.5 mm
C.	2.78 mm
D.	3.25 mm
Answer» B. 2.5 mm

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A thin sheet of refractive index 1.25 and thickness 0.5 cm is placed in the path of light from one source in the Young s double slit experiment. What is the path difference observed?

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