

MCQOPTIONS
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1. |
A parallel beam of light is incident on a glass item behind curtain ABCD. The emergent rays coming out from the item are as given in the following figure. Which item could be behind the curtain? |
A. | Concave lens |
B. | Convex lens |
C. | Rectangular glass slab |
D. | Prism |
Answer» C. Rectangular glass slab | |