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प्रश्न
Define the term Centre of curvature.
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उत्तर
Centre of curvature is the centre of the imaginary sphere to which the mirror belongs.
संबंधित प्रश्न
Explain the following term related to spherical lenses:- optical centre
Define the following term in the context of spherical mirrors:- Pole
Define the terms pole, principal axis and centre of curvature with reference to a spherical mirror.
Discuss the position and nature of image formed by a convex mirror when an object is moved from infinity towards the pole of mirror.
The focal length of a concave mirror is 10 cm. Find its radius of curvature.
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.
The sun is seen before the sunrise and after the sunset.
An object forms a virtual image which is 1/8th of the size of the object. If the object is placed at a distance of 40 cm from the convex mirror, calculate:
- the position of the image
- the focal length of the convex mirror.
Select the correct option:
Which mirror is used in periscope?
