Advertisements
Advertisements
Question
Higher Order Thinking Skills.
Light ray emerges from water into air. Draw a ray diagram indicating the change in its path in water.
Advertisements
Solution
When a ray of light travels from dense medium to rarer medium [from water medium to air medium], light ray moves away from the normal.
∴ Angle of incidence < Angle of refraction.
APPEARS IN
RELATED QUESTIONS
Write true or false of the following statement.
The speed of light in vacuum is 3 × 108 ms-1.
Select the correct alternative
The speed of light is maximum in
State whether light slows down or speeds up in the following cases :
Light going from glass to water.
A light ray passes from water to
- air, and
- glass.
In each case, state how does the speed of light change.
When light travels from a denser to a rarer medium, its speed ______.
An obliquely incident light ray bends at the surface due to a change in speed when passing from one medium to another. The ray does not bend when it is incident normally. Will the ray have a different speed in the other medium?
Light travels ______ kilometers per second in air or vacuum. In theory, nothing can travel faster than light.
Materials that are not able to allow light to pass through, are called ______ material.
The speed of light decreases in a denser medium, light bends towards the normal.
Two medium with a refractive index of 1.31 & 1.50 is given. In which case
- The bending of light is more and
- speed of light is more.
