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प्रश्न
For what position of object, the image formed by a concave mirror is magnified and erect?
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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
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 is a virtual image?
When a spherical mirror is held towards the sun and its sharp image is formed on a piece of a carbon paper for some time, a hole is burnt in the carbon paper.
Why is a hole burnt in the carbon paper?
How will you distinguish between a plane mirror, a concave mirror and a convex mirror, without touching them?
When an object of height 1 cm is kept at a distance 4 cm from a concave mirror, its erect image of height 1.5 cm is formed at a distance 6 cm behind the mirror. Find the focal length of mirror, by drawing.
Select the correct option:
Which mirror is used in periscope?
Define the following term:
spherical mirror
Define the following term in relation to concave mirror.
Radius of curvature
Is real image always inverted?
Draw a ray diagram to show that a convex mirror has a wider field of view.
