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प्रश्न
Discuss the position and nature of image formed by a concave mirror when an object is moved from infinity towards the pole of mirror.
उत्तर
When an object is moved from infinity towards the pole of mirror, the image formed moves away from the mirror. The image formed is real and inverted.
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संबंधित प्रश्न
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).
Explain the following terms :
Pole, Centre of curvature, Radius of curvature, Principal axis. Show them on separate diagrams for each of the concave and convex mirrors.
In each case (a) and (b), draw reflected rays for the given incident rays and mark focus by the symbol F.
A point light source is kept in front of a convex mirror at a distance of 40 cm. The focal length of the mirror is 40 cm. Find the position of image.
An object 5 cm high is placed at a distance 60 cm in front of a concave mirror of focal length 10 cm. Find the position and size of the image.
Find the height of the image of a body of height 1.5m in a mirror with a magnification of 1.5.
Complete the following diagrams shown in the following figures by drawing the reflected rays.
For a spherical mirror, ______ is true.
