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User Name : AS306303
Exam Name : BACHELOR OF ENGINEERING (CBCS)
Subject Name : APPLIED PHYSICS
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Question No. 33
Calculate the numerical aperture of an optical fibre whose core and cladding are made of materials of refractive index 1.54 and 1.45
respectively
Answer
A.O 0.2458
B.O 0.647852
C.O 0.5187
D.O.7786
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Answer 1

Answer:

I am really sorry but I don't know this answer