Advertisements
Advertisements
Question
The diagram in figure shows a ray of light AO falling on a rectangular glass slab PQRS. Complete the diagram till the ray of light emerges out of the slab. Label on the diagram the incident ray, the refracted ray and the emergent ray.
Advertisements
Solution
Incident ray AO
Refracted ray OB
Emergent ray BE are shown.
APPEARS IN
RELATED QUESTIONS
A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
A concave mirror forms a virtual image for an object placed ...............................
The angle between the normal and refracted ray is called
A ray of light falls normally on a glass slab. What is the angle of incidence?
What is a real image? Name the mirror which can be used to obtain the real image of an object. What should be the position of the object relative to the mirror?
Give two characteristics of the virtual image formed by a convex lens.
Figure shows a pencil placed above a mirror
- Draw its image formed by the mirror
- Show how light rays from the object are reflected at the mirror to form the image for the eye.
A boy of height 1m 45 cm is standing in front of a long mirror at a distance of 2 m. From this information, fill up the following sentences:
- The distance between the boy and his image is ______
- The height of the image is______
- When the boy moves 1m forward, the distance between her and her image is______
Match the following:
| 1. | Real image | a. | Diffuse reflection |
| 2. | Virtual image | b. | An optical device which produces reflection |
| 3. | Mirror | c. | Cannot be taken on screen |
| 4. | A type of light scattering | d. | Can be taken on screen |
An object is placed at a distance of 3cm from a plane mirror. The distance between the object and image is 3cm.
