There are two sources kept at distances 2λ. A large screen is perpendicular to the line joining the sources. Number of maxima on the screen in this case is (λ= wavelength of light)
There are two sources kept at distances 2λ. A large screen is perpendicular to the line joining the sources. Number of maxima on the screen in this case is (λ= wavelength of light)
Show Hint
- 1
- 3
- 5
- 7
The Correct Option is C
Solution and Explanation
Step 1: Maximum path difference Δ = dsinθ ≤ d = 2λ
Step 2: Condition for maxima Δ = mλ ⟹ mmax=2
Step 3: Total number of maxima N=2mmax+1=5
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