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प्रश्न
Name any two phenomena which take place in the formation of a rainbow.
उत्तर
The formation of a rainbow involves all three phenomena: Refraction, Dispersion and Total internal reflection.
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संबंधित प्रश्न
Prove the statement.
A rainbow is the combined effect of the refraction, dispersion, and total internal reflection of light.
Define critical angle for a given medium.
A ray of light incident at an angle of incidence ‘i’ passes through an equilateral glass prism such that the refracted ray inside the prism is parallel to its base and emerges from the prism at an angle of emergence ‘e’.
How is the angle of emergence ‘e’ related to the angle of incidence ‘i’?
Which of the following is not involved in formation of a rainbow?
Answer the following question.
Under what conditions are total internal reflection possible? Explain it with a suitable example.
Answer the following question.
Define the critical angle of incidence and obtain an expression for it.
Observe the given figure and write appropriate phenomenon of light in the box.
A green light is incident from the water to the air-water interface at the critical angle `(theta)`. Select the correct statement
For a ray of light, the critical angle is minimum when it travels from ______.
A green light is incident from the water to the air-water interface at the critical angle (θ). Select the correct statement.
