Question

Asked Apr 7, 2019

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The glass plates in the figure are separated by a thin round filament. When the top plate is illuminated normally with a light of wavelength 610 nm, the filament lies directly below the **seventeenth** order bright fringe. What is the diameter of the filament?

Step 1

Given: wavelength = 610 nm

Find: Diameter of the filament

Step 2

Use the formula as:

Step 3

Substitute all the va...

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