Question:medium
The ratio of the speed of light in vacuum to that in a medium is called
The ratio of the speed of light in vacuum to that in a medium is called
Show Hint
\(n = \frac{c}{v} \geq 1\) for all media.
Updated On: Apr 24, 2026
- luminous intensity
- luminous flux
- magnification factor
- refractive index of the medium
- transparency index
Show Solution
The Correct Option is D
Solution and Explanation
Was this answer helpful?
0
Top Questions on Ray optics and optical instruments
- A light ray passes from air (refractive index = 1) into water (refractive index = 1.33). If the angle of incidence is 30°, what is the angle of refraction in water?
- MHT CET - 2025
- Physics
- Ray optics and optical instruments
- A convex lens has a focal length of 20 cm. An object is placed 30 cm in front of the lens. What is the image distance from the lens?
- MHT CET - 2025
- Physics
- Ray optics and optical instruments
- A lens has focal length $ f = 20 \, \text{cm} $. What is the power of the lens?
- MHT CET - 2025
- Physics
- Ray optics and optical instruments
- An object is placed at a distance of 10 cm from a concave mirror of focal length 15 cm. What is the image distance?
- MHT CET - 2025
- Physics
- Ray optics and optical instruments
- Want to practice more? Try solving extra ecology questions todayView All Questions
