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प्रश्न
State two differences between normal reflection and total internal reflection.
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उत्तर
| Reflection | Total Internal Reflection |
| Takes place in any medium, denser or rarer. | Takes place only in a denser medium. |
| Takes place for any angle of incidence. | Takes place only when the angle of incidence is greater than critical angle. |
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संबंधित प्रश्न
Draw the diagram of a right-angled isosceles prism which is used to make an invented image erect.
Draw diagram to illustrate the total internal reflection.
Plot a graph between
Angle of incidence versus angle of refraction.
Make the correct choices for each of the following :
Total Internal reflection takes place when
(where ∠i = angle of incidence, ∠r = angle of refraction, ∠C = critical angle)
State one factor on which a critical angle for a given pair of media depends. The critical angle for the glass-air interface is 45° for the yellow light. Will it be equal to, less than or greater than 45° for (i) red light, (ii) blue light?
Choose the correct option.
Consider the following phenomena/ applications: P) Mirage, Q) rainbow, R) Optical fibre and S) glittering of a diamond. Total internal reflection is involved in
A green light is incident from the water to the air-water interface at the critical angle (C). Select the correct statement.
What are the conditions to achieve total internal reflection?
Which of the following is used in optical fibres?
