waves from slits S1 and S2 have a path difference of 0 and λ/4 respectively. The ratio of intensities at P and Q will be :

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At two points P and Q on a screen in Young’s double slit experiment, waves from slits S1 and S2 have a path difference of 0 and λ/4 respectively. The ratio of intensities at P and Q will be :
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At two points P and Q on a screen in Young’s double slit experiment, waves from slits S1 and S2 have a path difference of 0 and λ/4 respectively. The ratio of intensities at P and Q will be : At two points P and Q on a screen in Young's double slit experiment waves [...]
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