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प्रश्न
The diagram below shows a fish in the tank and its image seen on the surface of the water.
Name the phenomenon responsible for the formation of this image.
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उत्तर
Total internal reflection
संबंधित प्रश्न
What is total internal reflection?
Which one of the following is NOT the correct formula for refractive index of glass w.r.t. air (aμg) (i = angle of incidence, r = angle of refraction)
The angle of minimum deviation produced by a thin glass prism in air is 'δ'. If that prism is immersed in water, the angle of minimum deviation will be ______.
( aμg = refractive index of glass w.r.t, air aμw = refractive index of water w.r.t. air)
Optical fibre communication uses the principle of ______.
Optical Fibres are based on the phenomenon of dispersion.
What are the conditions to achieve total internal reflection?
A rectangular block of glass ABCD has a refractive index 1.6. A pin is placed midway on the face AB (Figure). When observed from the face AD, the pin shall ______.
- appear to be near A.
- appear to be near D.
- appear to be at the centre of AD.
- not be seen at all.
Which of the following is used in optical fibres?
The angle made by incident ray of light with normal of the reflecting surface is called ______.
