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Question:
In a Newton’s rings experiment (using light of free space wavelength 580nm), there is an air gap of height d between the glass plate and a plano-convex lens (see figure). The central fringe is observed to be bright.
The least possible value of d (in nm) is:
In a Newton’s rings experiment (using light of free space wavelength 580nm), there is an air gap of height d between the glass plate and a plano-convex lens (see figure). The central fringe is observed to be bright.
The least possible value of d (in nm) is:
The least possible value of d (in nm) is:
Updated On: Nov 24, 2024
- 145
- 290
- 580
- 72.5
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The Correct Option is A
Solution and Explanation
The correct option is (A): 145
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