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Sunil Grover
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Asked: 2021-10-01T07:54:06+00:00 In:

As we keep the four alpins, two each on incident and emergent ray, they

  • 11

Poll Results

0%(a) Stand in a straight line
100%(b) Seem to stand in a straight line. ( 11 voters )
0%(c) Are not in a straight line
0%(d) Are in a curved path.
Based On 11 Votes

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    1 Answer

    1. (b) Seem to stand in a straight line.

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