Consider the following statements:

1. Fibre optics is based on the principle of total internal reflection.
2. In optical fibre communication system power consumption is extremely low.
3. Optical fibre communications are free from radio frequency interference.
4. In India, Reliance group of Industries is engaged in the manufacture of optical fibre.

Of these statements:

A) 1, 2 and 3 are correct

B) 1, 2 and 4 are correct

C) 1, 3 and 4 are correct

D) 2, 3 and 4 are correct

This MCQ is part of the UP PSC Previous Year Questions (PYQs) series, focusing on UPPSC Prelims 2001 (GS Paper I)