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प्रश्न
Define the following term in the context of spherical mirrors:- Pole
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उत्तर
Pole of a spherical mirror:-
The central point of the reflecting surface of a spherical mirror is termed as the pole. It lies on the mirror and is denoted by the letter (P).
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संबंधित प्रश्न
Explain the following term related to spherical lenses:- principal axis
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. |
Complete the following diagrams shown in Fig. by drawing the reflected ray for each of the incident ray A and B.
Discuss the position and nature of image formed by a convex mirror when an object is moved from infinity towards the pole of mirror.
Name the kind of mirror used to obtain:
A virtual and diminished image
Select the correct option:
A concave mirror is made by cutting a portion of a hollow glass sphere of radius 30 cm. The focal length of the concave mirror is:
What is the relationship between the focal length and radius of curvature?
How tall does a mirror have to be to fit an entire person’s body?
