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प्रश्न
Write the relation between the refractive index and critical angle for a given pair of optical media?
उत्तर
`""^a μ_b= 1/(sin C)` where, a and b are the rarer and denser media respectively. C is the critical angle for the given pair of optical media.
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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.
Draw the diagram of a right-angled isosceles prism which is used to make an invented image erect
What is total internal reflection?
Plot a graph between
Sine of angle of incidence versus sine of angle of refraction,
Write down the relationship between the critical angle and the refractive index of the medium.
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?
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°).
Answer the following question.
Explain ‘mirage’ as an illustration of refraction.
Which of the following statements about total internal reflection is true?
