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प्रश्न
Which type of reflection of light leads to the formation of images?
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उत्तर
Regular reflection from smooth surfaces like mirrors leads to the formation of images.
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संबंधित प्रश्न
What is refraction of light?
The letter F is placed in front of a plane mirror:
How would its image look like when seen in a plane mirror?
The boy walks towards the mirror at a speed of 1 m/s. At what speed does his image approach him?
A ray of light goes from water into air. Will it bend towards the normal or away from the normal?
State whether the following statement is true or false:
Refraction occurs because light slows down in denser materials.
Fill in the following blank with suitable word:
Light bends when is passes from water into air. We say that it is ............
When a ray of light travelling in glass enters into water obliquely:
(a) it is refracted towards the normal
(b) it is not refracted at all
(c) it goes along the normal
(d) it is refracted away from the normal
How does the light have to enter the glass:
for no refraction to happen?
Air is optically .......... than glass.
Match the Following
| Column A | Column B |
| (a) white Light | (1) Convex mirror |
| (b) Refraction | (2) Concave mirror |
| (c) Virtual images | (3) refraction |
| (d) Real images | (4) spectrum |
| (e) Prism | (5) ray of light from glass to air |
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.
List four characteristics of the image formed by a concave lens of focal length 20 cm when the object is placed at a distance of 40 cm from its optical centre.
Observe the given figure and name the following.
| Ray AB | |
| Ray NM | |
| Ray MD | |
| ∠ r |
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
Light is refracted or bent while going from one medium to another because of its ______ changes.
Twinkling of stars and Mirage are the two phenomena occurring due to refraction.
In refraction of light through a glass slab, the directions of the incident ray and the refracted ray are ______.
