Download App

Optics — Physics STD 11 Science — Question

Maharashtra BoardEnglish MediumSTD 11 SciencePhysicsOptics2 Marks
Question
What is refractive index?
✓

Answer

The ratio of velocity of light in vacuum to the velocity’ of light in a medium is called the refractive index of the medium.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Short Answer Type Question" from Optics→Optics — all question types→Physics STD 11 Science question papers→Maharashtra Board STD 11 Science question papers→Maharashtra Board question paper generator→

Similar questions

If $\overrightarrow{ P }$ is moving away from a point and $\overrightarrow{ Q }$ is moving towards a point then, can their resultant be found using parallelogram law of vector addition?
→
Why is cooking faster in pressure cooker?
→
When does a weighing machine will record zero for a passenger in a lift?
→
Can we take one slab of p-type semiconductor and physically join it to another n-type semiconductor to get p-n junction?
→
What is total internal reflection?
→
An astronaut accidentally gets separated out of his small spaceship accelerating in inter stellar space at a constant rate of $100 \ m s^{-2}.$ What is the acceleration of the astronaut the instant after he is outside the spaceship? $($Assume that there are no nearby stars to exert gravitational force on him.$)$
→
A scale in a lab measures the mass of object consistently more by 500 g than their actual mass. How would you describe the scale in terms of accuracy and precision?
→
i. When a petrol or a diesel tanker is emptied in a tank, it is grounded.
ii. A thick chain hangs from a petrol or a diesel tanker and it is in contact with ground when the tanker is moving.
→
Write a note on inelastic collision.
→
What do you mean by elastic hysteresis?
→