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प्रश्न
If a light ray does not undergo, refraction at the boundary between two media, the angle of incidence is:
पर्याय
0°
45°
60°
90°
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उत्तर
0°
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संबंधित प्रश्न
A ray of light travels from water to air as shown in the diagram given below :
1) Copy the diagram and complete the path of the way. Given the critical angle for water is 48°.
2) State the condition so that internal reflection occurs in the above diagram.
What is total internal reflection?
State two conditions necessary for total internal reflection to occur.
Write the relation between the refractive index and critical angle for a given pair of optical media?
Plot a graph between
Sine of angle of incidence versus sine of angle of refraction,
Express the refractive index μ of a medium in terms of the angle of incidence i in air and the angle of refraction r in a denser medium.
Complete the following diagram to show the path of the ray of a single colour in the diagram as if enters in and emerges out of the prism. Mark the angles wherever necessary. (Critical angle for glass = 42°).
For the same angle of incidence, the angle of refraction in four media A, B, C and D are 25°, 30°, 35° and 40° respectively. The speed of light is least in medium ______.
Total internal reflection can take place only if light is travelling from ______.
A given ray of light suffers minimum deviation in an equilateral prism P. Additional prism Q and R of identical shape and of the same material as P are now added as shown in the figure. The ray will now suffer ______.
