Q 1541323223.     In Young's double slit experiment, the interference pattern is found to have an intensity ratio between the bright and dark fringes as `9`. This implies that

(This question may have multiple correct answers)

A the intensities at the screen due to the two slits are 5 units and 4 units respectively
B the intensities at the screen due to the two slits are 4 units and 1 unit respectively
C the amplitude ratio is 3
D the amplitude ratio is 2

HINT

`(l_text(max))/(l_text(min)) = ((sqrt(l_1) + sqrt(l_2))^2)/((sqrt(l_1) - sqrt(l_2))^2)`

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