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प्रश्न
State two factors on which the lateral displacement of the emergent ray depends.
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उत्तर
Two factors on which the lateral displacement of the emergent ray depends:
- Angle of incidence
- Thickness of glass slab
संबंधित प्रश्न
What type of reflection of light takes place from a cinema screen?
State whether the following statement is true or false:
Refraction occurs because light slows down in denser materials.
Water is optically .......... than air.
Draw suitable diagrams to illustrate how a beam of light incident parallel to the principal axis is reflected by:
(a) a concave mirror, and (b) a convex mirror
The diagram (figure) given below shows two parallel rays 1 and 2 incident on (a) a concave mirror, (b) a convex mirror. Draw the reflected rays and mark the focus by the symbol F.
The laws of reflection hold true for ______.
Write scientific reason.
The coin disappears in a vessel as it is seen from a specific location. But as soon as the water is poured into the vessel to a certain level, the coin appears.
Which object use the reflection of light?
A water tank appears shallower when it is viewed from the top due to refraction.
Match the following:
| Column I | Column II | ||
| 1. | r > 90 | a. | Light gazes at the surface of separation between the two modes. |
| 2. | r = 90 | b. | No refraction. |
| 3. | r < 90 | c. | Refracted ray away from the normal |
