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प्रश्न
Which of the following has curved reflecting surface?
पर्याय
plane mirrors
spherical mirrors
simple mirrors
None of the above
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उत्तर
Spherical mirrors
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संबंधित प्रश्न
What is a virtual image?
The diverging lens in part (a) is replaced by a converging lens also of focal length 100 mm. The object remains in the same position and an image is formed by the converging lens. Compare two properties of this image with those of the image formed by the diverging lens in part (a).
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.
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.
Answer the following question:
Distinguish between the convex mirror and the concave mirror.
Define the following term in relation to concave mirror.
Principal axis
Numerical problem.
The radius of curvature of a spherical mirror is 25 cm. Find its focal length.
The radius of curvature of a spherical mirror is 18 cm. What is the focal length of this mirror?
