White light may be considered to be a mixture of waves with l ranging between\[3900\,\,{AA}\]and\[7800\,\,{AA}\]. An oil film of thickness\[10,000\,\,{AA}\]is examined normally by reflected light. If m = 1.4, then the film appears bright for

\[4000\,\,{AA},\,\,5091\,\,{AA},\,\,5600\,\,{AA}\]

\[4308\,\,{AA},\,\,5091\,\,{AA},\,\,6222\,\,{AA}\]

\[4000\,\,{AA},\,\,4667\,\,{AA},\,\,5600\,\,{AA},\,\,7000\,\,{AA}\]

White light may be considered to be a mixture of waves with l ranging

1.	White light may be considered to be a mixture of waves with l ranging between\[3900\,\,{AA}\]and\[7800\,\,{AA}\]. An oil film of thickness\[10,000\,\,{AA}\]is examined normally by reflected light. If m = 1.4, then the film appears bright for
A.	\[4308\,\,{AA},\,\,5091\,\,{AA},\,\,6222\,\,{AA}\]
B.	\[4000\,\,{AA},\,\,5091\,\,{AA},\,\,5600\,\,{AA}\]
C.	q decreases
D.	\[4000\,\,{AA},\,\,4667\,\,{AA},\,\,5600\,\,{AA},\,\,7000\,\,{AA}\]
Answer» B. \[4000\,\,{AA},\,\,5091\,\,{AA},\,\,5600\,\,{AA}\]

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White light may be considered to be a mixture of waves with l ranging between\[3900\,\,{AA}\]and\[7800\,\,{AA}\]. An oil film of thickness\[10,000\,\,{AA}\]is examined normally by reflected light. If m = 1.4, then the film appears bright for

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