In an optical fibre, the refractive index of the core should be lesser than the refractive index of the cladding.

True

No worries! We‘ve got your back. Try BYJU‘S free classes today!

False

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is B
False

Optical fibre communication works on the principle of the Total Internal Reflection.

The core should have greater refractive index than cladding for TIR to take place because TIR will happen only when light travels from denser to rarer medium.

Suggest Corrections

Similar questions

In an optical fibre, the refractive index of the core should be lesser than the refractive index of the cladding.

μ_{1}

μ_{2}

Calculate the critical angle of an optical fibre without cladding if the glass has a refractive index of 1.56.

Join BYJU'S Learning Program