Question

पूर्ण निर्वात में अपवर्तन सूचकांक कितना होता है?
A. 0
B. 1
C. 1.25
D. 0.5

Answer 1

Correct Answer: A 0...

Answer 2

hlo mate.

here is your answer.

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The answer is option A. ....0.

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