A convex lens of focal length 10 cm is cut through the optical axis into two semicircular halves. During cutting, 0.5 mm of glass is lost. The halves are rejoined and placed symmetrically 5 cm in front of an illuminated slit of wavelength 5000 Å. A screen is 90 cm beyond the lens.
Physics · Wave Optics · young's dubble slit experiments
A convex lens of focal length 10 cm is cut through the optical axis into two semicircular halves. During cutting, 0.5 mm of glass is lost. The halves are rejoined and placed symmetrically 5 cm in front of an illuminated slit of wavelength 5000 Å. A screen is 90 cm beyond the lens.
Sub-question 1
What is the separation between the two images of slit S?
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Sub-question 2
What is the fringe width on the screen?
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Sub-question 3
How many maxima are obtained on the screen?
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