1.

The maximum intensity in the interference pattern of two equal and parallel slits is I. If one of the slits is closed the intensity at the same point is 1_(0). Then ______.

Answer»

`1=1_(0)`
1=`21_(0)`
1`= 4_(0)`
There is no RELATION between 1 and `1_(0)`

Solution :`I_("max")=(a+a)^(2)`
when one slit is CLOSED, INTENSITY at the same point is
`I'=a^(2)=I_(0)`
`:.""I=4I_(0)`


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