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प्रश्न
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उत्तर
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संबंधित प्रश्न
An image which can be obtained on a screen is called a ______ image.
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. |
Define Radius of curvature of the spherical mirror
What is the relation between the focal length and radius of curvature of a spherical mirror (concave mirror or convex 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.
State the types of mirrors used for (i) headlights and (ii) rear view mirror, in cars and motorcycles. Give to justify your answer in each case.
Name the kind of mirror used to obtain:
A virtual and enlarged image
The erect image formed by a concave mirror is of size double the size of object. How are u and v related?
Define linear magnification produced by a mirror?
