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प्रश्न
Plot a graph between
Sine of angle of incidence versus sine of angle of refraction,
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उत्तर
Sine of angle of incidence vs. sine of angle of refraction graph :
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संबंधित प्रश्न
State the relation between the critical angle and the absolute refractive index of a medium.
Draw diagram to illustrate the total internal reflection.
Solve the previous problem if the paperweight is inverted at its place so that the spherical surface touches the paper.
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)
A ray of light passes through a right-angled prism as shown in the figure. State the angles of incidence at the faces AC and BC.
Choose the correct option.
Select the WRONG statement.
The entire light is reflected back into the denser medium is called ______.
A rectangular block of glass ABCD has a refractive index 1.6. A pin is placed midway on the face AB (Figure). When observed from the face AD, the pin shall ______.
- appear to be near A.
- appear to be near D.
- appear to be at the centre of AD.
- not be seen at all.
A light is entering from one medium refractive index `("RI" =5/3)` to another medium at an angle 30°. The angle of refraction for other medium is sin-1 `(5/6)`. then the increase in angle of incidence is ______ such that the ray of light reflected back into the same medium.
State two differences between normal reflection and total internal reflection.
