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:A
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
Explanation: Due to total internal reflection, light can be transmitted over many