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प्रश्न
For what position of object, the image formed by a concave mirror is magnified and erect?
उत्तर
If the object is placed between the pole and focus of a concave mirror, the image formed is magnified and erect.
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संबंधित प्रश्न
Find out the letters of English alphabet or any other language known to you in which the image formed in a plane mirror appears exactly like the letter itself. Discuss your findings.
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
Which type of spherical mirror will it provide?
Name the mirrors shown in Figure (a) and (b).
Name the kind of mirror used to obtain:
A virtual and diminished image
An object 5 cm high forms a virtual image of 1.25 cm high, when placed in front of a convex mirror at a distance of 24 cm. Calculate:
- the position of the image
- the focal length of the convex mirror.
Define the term Principal focus.
Complete the following diagrams shown in the following figures by drawing the reflected rays.
The following Figure shows a concave mirror MM' on which a ray of light incident from a point P gets reflected to meet the principle axis at O.
(a) Find, by construction, the position of the centre of curvature of the concave mirror.
(b) Write down the value for the radius of curvature of the mirror.
(c) Calculate the focal length of the mirror.
(d ) Which relation is used in deducing the focal length from the radius of curvature?
