When Light Shines on a Lens Placed on a Flat

question 43

Multiple Choice

When light shines on a lens placed on a flat piece of glass,interference occurs which causes circular fringes called Newton's rings.The two beams that are interfering come:

• A)from the top and bottom surface of the lens.
• B)from the top surface of the lens and the top surface of the piece of glass.
• C)from the bottom surface of the lens and the top surface of the piece of glass.
• D)from the top and bottom surface of the flat piece of glass.

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