Question

In an optical fibre, the diameter of the core is nearly
(a) 10⁻² m (b) 10⁻⁴ m
(c) 10⁻⁸ m (d) 1 Å

Answer 1

Answer:

10 ^-8 m..... ..... ...

Answer 2

Explanation:

hey mate ✌✌

option c is the correct answer.

as the diameter of the core of optical fiber is about 10‐⁸

hope it helps ✔

answer with quality ✔✔