Advertisements
Advertisements
प्रश्न
State two differences between normal reflection and total internal reflection.
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. |
APPEARS IN
संबंधित प्रश्न
State the conditions required for total internal reflection of light to take place
State the relation between the critical angle and the absolute refractive index of a medium.
Write the relation between the refractive index and critical angle for a given pair of optical media?
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.
Consider the following phenomena/ applications: P) Mirage, Q) rainbow, R) Optical fibre and S) glittering of a diamond. Total internal reflection is involved in
For total internal reflection to take place, the angle of inddence i and the refractive index µ of the medium must satisfy the inequality ____________.
The angle of incidence at which the angle of refraction is Q£ is called the critical angle.
State the condition under which total internal reflection occurs. Give the mathematical expression for total internal reflection.
Which of the following is used in optical fibres?
The angle made by incident ray of light with normal of the reflecting surface is called ______.