A glass lens of refractive index 1.5 is kept in a liquid. What must be – InterviewSolution

InterviewSolution

1.	A glass lens of refractive index 1.5 is kept in a liquid. What must be the refractive index of the liquid so that the lens will disappear?
Answer» To disappear the lens the refractive index of liquid should be same i.e. 1.5.

Discussion

No Comment Found

Related InterviewSolutions

(a) Write the necessary conditions for the phenomenon of total internal reflection to occur.(b) Write the reflection between the refractive index and critical angle for a given pair of optical media.
(i) State the condition under which a large magnification can be achieved in an astronomical telescope.(ii) Give two reasons to explain why a reflecting telescope is preferred over a refracting telescope.
Explain Reflection of light by spherical mirrors.
On what principle optical fiber does works?
Write the expression for the power of a combination of number of thin lenses.
Mention a few illustrations of total internal reflection.
Write the conditions to have total internal reflection.
A glass lens of refractive index 1.5 is kept in a liquid. What must be the refractive index of the liquid so that the lens will disappear?
What is total internal reflection?
State the laws of reflection.