6
Question
A crack in the window pannel appears silvery when viewed from a certain angle. This phenomenon is due to:
A crack in the window pannel appears silvery when viewed from a certain angle. This phenomenon is due to:
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Solution
The correct option is C total internal reflection of light
The explanation for the correct answer:
(c) total internal reflection
- Total internal reflection: The phenomenon due to which a ray of light, while travelling from an optically denser medium to an optically rarer medium. gets reflected into the optically denser medium, at the surface of separation is called total internal reflection.
- In this phenomenon, the light travels from a more optically denser medium to a less optically denser medium.
- Because of this phenomenon, the crack in window panels appears silvery when viewed from a certain angle.
The explanation for the incorrect answer:
(a) reflection of light
It is the process of bouncing back the incident ray with the same angle.
(b) refraction of light
It is the process of bending light rays when it passes from one medium to the other.
(d) dispersion of light
In this process, the light beam is scattered into seven constituents' colours.
.A crack in the window panel appears silvery when viewed from a certain angle. This phenomenon is due to the total internal reflection of light.
total internal reflection of light
The explanation for the correct answer:
(c) total internal reflection
- Total internal reflection: The phenomenon due to which a ray of light, while travelling from an optically denser medium to an optically rarer medium. gets reflected into the optically denser medium, at the surface of separation is called total internal reflection.
- In this phenomenon, the light travels from a more optically denser medium to a less optically denser medium.
- Because of this phenomenon, the crack in window panels appears silvery when viewed from a certain angle.
The explanation for the incorrect answer:
(a) reflection of light
It is the process of bouncing back the incident ray with the same angle.
(b) refraction of light
It is the process of bending light rays when it passes from one medium to the other.
(d) dispersion of light
In this process, the light beam is scattered into seven constituents' colours.
.A crack in the window panel appears silvery when viewed from a certain angle. This phenomenon is due to the total internal reflection of light.
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