Assertion (A): Optical fibres are widely used in communication network.
Reason (R): Optical fibres are small in size, lite weight, flexible and there is no scope for interference in them.

Options

A. Both (A) and (R) are true and (R) is not the correct explanation of (A)
B. Both (A) and (R) are true but (R) is not the correct explanation of (A)
C. (A) is true but (R) is false
D. (A) is false but (R) is true

Answer

A

Explanation

Optical fibres are used in communication network as it offers very large bandwidth, avoid interference and wavelength of light is very small when compared to radio waves.