The ratio of the widths of two slits in Young’s double slit experiment is 4 : 1. Evaluate the ratio of intensities at maxima and minima in the interference pattern. 

Dear Student,
Please find below the solution to the asked query:
 I1I2=A1A2241=A1A22A1A2=21ImaxImin=A1+A22A1-A22           =2+122-12           =91
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