Advertisements
Advertisements
Question
Water is optically denser than glass.
Options
True
False
Advertisements
Solution
False.
Water is optically denser than air.
APPEARS IN
RELATED QUESTIONS
Where is the image when you look at something in a mirror?
An extended object in the form of an arrow pointing upward has been placed in front of a plane mirror. Draw a labelled ray-diagram to show the formation of its image.
If a ray of light goes form a denser medium to a rarer medium, will it bend towards the normal or away from the normal?
A ray of light travelling in air is incident on a rectangular glass block and emerges out into the air from the opposite face. Draw a labelled ray diagram to show the completer path of this ray of light. Mark the two points where the refraction of light takes place. What can you say about the final direction of ray of light?
State two factors on which the lateral displacement of the emergent ray depends.
A light ray suffers reflection and refraction at the boundary in passing from air to water. Draw a neat labelled ray diagram to show it.
Fill in the blank and Explain the completed sentences.
The change in ______ of light rays while going from one medium to another is called refraction.
Explain how the formation of a rainbow occurs.
The incident rays and refracting rays are on opposite sides of the normal.
The refractive index of four substances A, B, C, and D are 1.31, 1.43, 1.33, 2.4 respectively. The speed of light is maximum in
