Optical fibre works on the
...Optical fibre works on the
principle of refraction
total internal reflection
scattering
interference
Correct answer is B
No explanation has been provided for this answer.
Lines of force I. Begin and end on equal and opposite electric charges. II. are in state of ten...
A simple pendulum with a period of 2.0s has its length doubled. Its new period is ...
During a thunderstorm, the sound is heard over a long time. this phenomenon is referred to as? ...
The maximum power transfer occur in a cell when the external resistance is ...