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प्रश्न
You are provided with a convex mirror, a concave mirror, a convex lens and a concave lens. You can get an inverted image from
विकल्प
both concave lens and convex lens.
both concave mirror and convex mirror.
both concave mirror and convex lens.
both convex mirror and concave lens.
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उत्तर
both concave mirror and convex lens.
Explanation:
Both concave mirror and convex lens. Both concave mirror and convex lens can form inverted and real images of an object.
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संबंधित प्रश्न
It is desired to obtain an erect image of an object, using concave mirror of focal length of 12 cm.
What should be the range of distance of an object placed in front of the mirror?
A 3 cm tall object is placed 18 cm in front of a concave mirror of focal length 12 cm. At what distance from the mirror should a screen be placed to see a sharp image of the object on the screen. Also calculate the height of the image formed.
Find the focal length of a concave mirror whose radius of curvature is 32 cm.
If the focal length of a convex mirror is 25 cm, what is its radius of curvature?
Explain why, concave mirrors are used as shaving mirrors.
According to New Cartesian Sign Convention:
(a) focal length of concave mirror is positive and that of convex mirror is negative
(b) focal length of both concave and convex mirrors is positive
(c) focal length of both concave and convex mirrors is negative
(d) focal length of concave mirror is negative and that of convex mirror is positive
Giving reasons, state the 'signs' (positive or negative) which can be given to the following:
(a) object distance (u) for a concave mirror or convex mirror
(b) image distance (v) for a concave mirror
(c) image distance (v) for a convex mirror
With the help of a labelled diagram, explain how a concave lens diverges a beam of parallel light rays. Mark the principal axis, optical centre, principal focus and focal length of the concave lens on the diagram.
A student determines the focal length of a device 'X' by focusing the image of a distant object on a screen placed 20 cm from the device on the same side as the object. The device 'X' is
(a) Concave lens of focal length 10 cm
(b) Convex lens of focal length 20 cm
(c) Concave mirror of focal length 10 cm
(d) Concave mirror of focal length 20 cm
For a real object, which of the following can produce a real image?
