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प्रश्न
Name the type of mirror used in the following situation:
Side/rear-view mirror of a vehicle
Support your answer with reason.
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उत्तर
Convex Mirror: This is because a convex mirror is used as side/rear view mirror because its field of view is larger and it forms virtual, erect and diminished images of objects behind.
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संबंधित प्रश्न
An image that cannot be obtained on a screen is called ______.
Match the items given in Column I with one or more items of Column II.
| Column I | Column II | ||
| (a) | A plane mirror | (i) | Used as a magnifying glass. |
| (b) | A convex mirror | (ii) | Can form image of objects spread over a large area. |
| (c) | A convex lens | (iii) | Used by dentists to see enlarged image of teeth. |
| (d) | A concave mirror | (iv) | The image is always inverted and magnified. |
| (e) | A concave lens | (v) | The image is erect and of the same size as the object. |
| (vi) | The image is erect and smaller in size than the object. |
Which type of mirror can form a real image?
Define (a) centre of curvature (b) radius of curvature (c) pole (d) principal axis, and (e) aperture, of a spherical mirror with the help of a labelled diagram
When a spherical mirror is held towards the sun and its sharp image is formed on a piece of a carbon paper for some time, a hole is burnt in the carbon paper.
What name is given to the distance between spherical mirror and carbon paper?
Complete the following sentence:
All the distances are measured from the .......... of a spherical mirror.
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
State whether this spherical mirror will diverge or converge light rays.
Write true or false
A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
Draw separate diagram for the formation of virtual image of an object by a concave mirror.
Mention the types of mirrors used as (i) rear view mirrors, (ii) shaving mirrors. List two reasons to justify your answers in each case.
Name the spherical mirror which (i) diverges (ii) converges the beam of light incident on it. Justify your answer by drawing a ray diagram in each case.
Explain the meaning of the terms focus and focal length in case of a convex mirror, with the help of suitable ray diagram.
Name the mirrors shown in Figure (a) and (b).
How is the focal length of a spherical mirror related to its radius of curvature?
How will you distinguish between a plane mirror, a concave mirror and a convex mirror, without touching them?
The image formed by a convex mirror is of size one third the size of object. How are u and v related?
A point light source is kept in front of a convex mirror at a distance of 40 cm. The focal length of the mirror is 40 cm. Find the position of image.
Define linear magnification produced by a mirror?
Define the following terms in the context of a diverging mirror:
- Principal focus
- Focal length
Draw a labelled ray diagram to illustrate your answer.
