The phenomenon utilised in an optical fibre is - Vidyadip

MCQ

The phenomenon utilised in an optical fibre is

A
Refraction
B
Interference
C
Polarization
✓
Total internal reflection

✓

Answer

Correct option: D.

Total internal reflection

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "MCQ" from Ray Optics→Ray Optics — all question types→JEE physics STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

A railway compartment is lit up by thirteen lamps each taking 2.1 amp at 15 volts. The heat generated per second in each lamp will be

A simple pendulum is attached to the roof of a lift. If time period of oscillation, when the lift is stationary is $T$. Then frequency of oscillation, when the lift falls freely, will be

A body of mass $4 \mathrm{~kg}$ moving with velocity $12 \mathrm{~m} / \mathrm{s}$ collides with another body of mass $6 \mathrm{~kg}$ at rest. If two bodies stick together after collision, then the loss of kinetic energy of system is

A cricket ball is thrown up with a speed of $19.6 ms$. The maximum height it can reach is

If an electric current is passed through a nerve of a man, then man

A string of length $2 \mathrm{~m}$ is fixed at both ends. If this string vibrates in its fourth normal mode with a frequency of $500 \mathrm{~Hz}$ then the waves would travel on its with a velocity of

water containing vessel, the level of water An ice block contains a glass ball when the ice melts within the

When $N P N$ transistor is used as an amplifier

The S.l. unit of gravitational potential is

One-forth length of a spring of force constant $K$ is cut away. The force constant of the remaining spring will be