A diffraction is obtained by using a beam of red light. What will happ – McqOptions

MCQOPTIONS

1.	A diffraction is obtained by using a beam of red light. What will happen if the red light is replaced by the blue light [KCET 2000; BHU 2001]
A.	Bands will narrower and crowd full together
B.	Bands become broader and further apart
C.	No change will take place
D.	Bands disappear
Answer» B. Bands become broader and further apart

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