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Answer the following.

The graph depicts intensity versus phase difference for double-slit interference. If the waves have…

Physics20251.5 marksNumerical
The graph depicts intensity versus phase difference for double-slit interference. If the waves have amplitudes 1:3, then find the ratio of intensities at A and C.
Figure 76
Figure 76

Answer

Answer

Official answer key
$I_{min} : I_{max} = (3-1)^2 : (3+1)^2 = 1 : 4$

Final answer: 1:4

Wave Optics

From ISC 2025 Practice Physics, question 76(b).

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