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प्रश्न
Give one use each of a concave and a convex mirror.
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उत्तर
- Concave mirror: Concave mirrors can form an enlarged image of an object. Therefore, dentists use them to see the enlarged image of the patient’s teeth.
- Convex mirror: A convex mirror forms a diminished and upright image of an object. It is used as a side view mirror of the car because it enables the driver to view objects spread over a large area behind him/her.
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संबंधित प्रश्न
We can obtain a real, enlarged and inverted image by a concave mirror.
What kind of mirror is required for obtaining a virtual image of the same size as the object?
Complete the following sentence:
All the distances are measured from the .......... of a spherical mirror.
Why does a driver use a convex mirror instead of a plane mirror as a rear view mirror?
Illustrate your answer with the help of a ray diagram.
For an incident ray directed towards centre of curvature of a spherical mirror the reflected ray:
A concave mirror forms a real image of an object placed in front of it at a distance 30 cm, of size three times the size of object. Find
- the focal length of mirror
- position of image.
Define linear magnification produced by a mirror?
Complete the following diagrams shown in the below figure by drawing the reflected ray for each incident ray.
The spherical mirror with a reflecting surface curved inward is called
In normal adjustment, for a refracting telescope, the distance between objective and eye piece is 30 cm. The focal length of the objective, when the angular magnification of the telescope is 2, will be ______.
