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Ratio of amplitudes of the waves coming from two slits having widths in the ratio 4 : 1 will be |
1 : 2 2 : 1 1 : 4 4 : 1 |
2 : 1 |
Intensity ∝ slit width $\frac{I_1}{I_2}=\frac{4}{1}$ $\frac{a_1}{a_2}=\sqrt{\frac{I_1}{I_2}}=\sqrt{4}=2:1$ $\frac{a_1}{a_2}=2:1$ |
