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प्रश्न
Name any two phenomena which take place in the formation of a rainbow.
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उत्तर
The formation of a rainbow involves all three phenomena: Refraction, Dispersion and Total internal reflection.
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संबंधित प्रश्न
State the relation between the critical angle and the absolute refractive index of a medium.
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One day Chetan’s mother developed a severe stomach ache all of a sudden. She was rushed to the doctor who suggested for an immediate endoscopy test and gave an estimate of expenditure for the same. Chetan immediately contacted his class teacher and shared the information with her. The class teacher arranged for the money and rushed to the hospital. On realizing that Chetan belonged to a below average income group family, even the doctor offered concession for the test fee. The test was conducted successfully.
Answer the following questions based on the above information:
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(c) In what way do you appreciate the response of the doctor on the given situation?
Plot a graph between
Angle of incidence versus angle of reflection,
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[tan 45° = 1]
For a ray of light, the critical angle is minimum when it travels from ______.
The angle of incidence at which the angle of refraction is Q£ is called the critical angle.
Write any two uses of total internal reflection.
What are the examples of total internal reflection in nature?
Small air bubbles rising up a fish tank appear silvery when viewed from some particular angle is due to the ______.
