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प्रश्न
Name the kind of mirror used to obtain:
A real and diminished image.
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उत्तर
Concave
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संबंधित प्रश्न
A student focused the Sun rays using an optical device 'X' on a screen S as shown.
From this it may be concluded that the device 'X' is a (select the correct option)
(A) Convex lens of focal length 10 cm.
(B) Convex lens of radius of curvature 20 cm.
(C) Convex lens of focal length 20 cm.
(D) Concave mirror of focal length 20 cm.
What type of image is formed:
- in a plane mirror?
- on a cinema screen?
How is a spherical mirror used to converge a beam of light at a point? Name the type of mirror used.
Write the spherical mirror's formula and explain the meaning of each symbol used in it.
For an incident ray directed towards centre of curvature of a spherical mirror the reflected ray:
At what distance from a concave mirror of focal length 25 cm should an object be placed so that the size of image is equal to the size of the object.
Select the correct option:
Looking into a mirror one finds her image diminished, the mirror is:
Complete the following diagrams shown in the following figures by drawing the reflected rays.
