an interference pattern was made by using red light. if the red light changes with blue light, the fringew will become 1) wider 2) narrower 3) fainter 4)brighter

Asked by Shashank Shekhar | 26th Jan, 2012, 08:43: PM

Expert Answer:

if red light is changed by blue light , the fringe separation  will become narrower as compared to red light because wavelength of red light is longer than blue light . so longer the wavelength, greater is the fringe separation.

Answered by  | 27th Jan, 2012, 01:18: AM

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