Physics
An endoscope uses optical fiber to transmit high resolution images of internal organs without loss of information. The phenomenon of light that governs the functioning of the optical fiber is:
- refraction
- reflection
- scattering
- total internal reflection
Refraction Plane Surfaces
ICSE Sp 2024
48 Likes
Answer
total internal reflection.
Reason — Total internal reflection is the principle that allows light to propagate through the core of an optical fiber by continuously reflecting off the inner walls of the fiber due to the angle at which it strikes those walls.
Answered By
29 Likes
Related Questions
The amount of heat energy required to melt a given mass of a substance at its melting point without rise in its temperature is called:
- specific heat capacity
- specific latent heat of fusion
- latent heat of fusion
- specific latent heat of freezing
(a) Name the principle on which a lever works.
(b) Which radiations that are emitted during the decay of a nucleus, having highest penetrating power?
(c) Does the emission of the above-mentioned radiation result in a change in the mass number?
A metre rod made of copper and steel as shown in the diagram. Weights of copper and steel are 10 N and 8 N respectively.
(a) On which part does the centre of gravity lie (0 to 50 or 50 to 100).
(b) Justify your answer.
When a ray of light enters from a denser medium to a rarer medium then:
- the light ray bends towards the normal
- the speed of light increases
- the angle of incidence is greater than the angle of refraction
- its wavelength decreases.