A diffraction pattern is obtained using a beam of redlight. What happens if the red light is replaced by blue light
A diffraction pattern is obtained using a beam of redlight. What happens if the red light is replaced by blue light
A. No change.
B. Diffraction bands become narrower and crowded together.
C. Band become broader and farther apart.
D. Bands disappear altogether.
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Correct Answer - B
As `lambda_("blue")lt lambda_("red"),` and width of diffraction bands is directly proportional to `lambda`, therefore diffraction bands become narrower and crowded.
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