Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
At AC – Angle is 45°
At BC – Angle is 0°
संबंधित प्रश्न
Name the principle on the basis of which optical fibres work.
How does a ray of light bend when it travels from denser to rarer medium.
Express the refractive index μ of a medium in terms of the angle of incidence i in air and the angle of refraction r in a denser medium.
If a ray of light passes from medium I to medium II without any change of direction, what can be said about the refractive indices of these media (angle I is not 0)?
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?
A ray of light is incident on a glass surface at an angle of 50° with the corresponding angle of refraction 30°. Find the value of the R.I. of glass.
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
Answer the following question.
What are the advantages of optical fibre communication over electronic communication?
A ray of light passes from vacuum into a medium of refractive index µ, the angle of incidence is found to be twice the angle of refraction. Then the angle of incidence is ______.
Name any two phenomena which take place in the formation of a rainbow.
