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प्रश्न
While performing the experiment on tracing the path of a ray of light through a rectangular glass slab, in which of the following experimental set-ups is a student likely to get best results? P1 and P2 are the positions of pins fixed by him.
(A) I
(B) II
(C) III
(D) IV
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उत्तर
The student will get best results when he places the pins as placed in figure III.
The Correct Answer is C
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