Advertisements
Advertisements
प्रश्न
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?
Advertisements
उत्तर
Yes it will. When the medium changes, the speed of light changes.
APPEARS IN
संबंधित प्रश्न
Write true or false of the following statement.
The speed of light in vacuum is 3 × 108 ms-1.
State whether light slows down or speeds up in the following cases :
Light going from water to air.
The speed of light is maximum in ______.
What is the speed of light in vacuum?
Numerical problem.
Light enters from air into a glass plate having refractive index 1.5. What is the speed of light in glass? (Ans: 2 × 108 ms–1)
Higher Order Thinking Skills.
Light ray emerges from water into air. Draw a ray diagram indicating the change in its path in water.
Materials that are not able to allow light to pass through, are called ______ material.
Materials that allow light to pass through completely are known as transparent materials.
Define opaque material.
Higher-Order Thinking Skills:
M = 2.42 for diamond. What is the meaning of this statement in relation to the speed of light?
