Consider the given arrangement. The two slits S1 and S2 are illuminated by monochromatic light of wavelength λ. Slits S3 and S4 are at separation d1 = λD/(3d), then ratio of maximum and minimum intensity on the screen will be
Consider the given arrangement. The two slits S1 and S2 are illuminated by monochromatic light of wavelength λ. Slits S3 and S4 are at separation d1 = λD/(3d), then ratio of maximum and minimum intensity on the screen will be
Option 1 -
9 : 1
Option 2 -
8 : 1
Option 3 -
4 : 1
Option 4 -
2: 1
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1 Answer
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Correct Option - 1
Detailed Solution:Is? = 4I?
Is? = I?
∴ I_max/I_min = (√Is? + √Is? )² / (√Is? - √Is? )² = (2+1)²/ (2-1)² = 9/1
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