1.

What is the principle on which an optical fibre works?

A. Total internal reflection
B. Farraday’s law of induction
C. Doppler Effect
D. Hooke’s law
Answer» B. Farraday‚Äö√Ñ√∂‚àö√ë‚àö¬•s law of induction


Discussion

No Comment Found

Related MCQs