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प्रश्न
Select the correct option:
A mirror forms a virtual image (diminished) of an object, whatever be the position of object:
पर्याय
it must be a concave mirror
it must be a convex mirror
it must be a plane mirror
it may be convex mirror or plane mirror
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उत्तर
it must be a convex mirror
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संबंधित प्रश्न
We can obtain a real, enlarged and inverted image by a concave mirror.
Define (a) centre of curvature (b) radius of curvature (c) pole (d) principal axis, and (e) aperture, of a spherical mirror with the help of a labelled diagram
- A small object is placed 150 mm away from a diverging lens of focal length 100 mm.
- Copy the figure below and draw rays to show how an image is formed by the lens.
- Calculate the distance of the image from the lens by using the lens formula.
- Copy the figure below and draw rays to show how an image is formed by the lens.
- 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).
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).
The letters on the front of an ambulance are written laterally inverted like 
. Give reason.
Write the spherical mirror's formula and explain the meaning of each symbol used in it.
Define the following term in relation to concave mirror.
Aperture
What is “aperture”?
