Physics-
General
Easy
Question
A monochromatic beam of light falls on YDSE apparatus at some angle (say 
) as shown in figure. A thin sheet of glass is inserted in front of the lower slit 
. The central bright fringe (path difference = 0) will be obtained
- At O
- Above O
- Below O
- Anywhere depending on angle
, thickness of plate t and refractive index of glass 
, thickness of plate t and refractive index of glass
The correct answer is: Anywhere depending on angle , thickness of plate t and refractive index of glass
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