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In the figure ABC is the cross-section of a right angled prism and BCDE is the cross-section of a glass slab. The value of theta so that light incident normally on the face AB does not cross the face BC is `(Given sin^-1 3//5=37^@)`

A

`theta le 37^(@)`

B

`theta lt 37^(@)`

C

`theta le 53^(@)`

D

`theta lt 53^(@)`

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