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Rules of Ray Diagram for Representation of Images Formed

Under which o...

Question

Under which of the following conditions the real image formed by a concave mirror is larger than the actual object?

A

When source is at a distance equal to radius of curvature of the concave mirror

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B

When source is at a distance less than the focal length of the concave mirror

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C

When source is placed at a distance between the focus and centre of curvature of the concave mirror

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D

When source is placed at a distance greater than the radius of curvature of the concave mirror

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Solution

The correct option is A When source is placed at a distance between the focus and centre of curvature of the concave mirror
When object is in between focus and center of curvature the image is in between infinity and center of curvature, large, real and inverted.

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Similar questions

Q. The real image formed by a concave mirror is larger than the object when the object is:

(a) at a distance equal to radius of curvature
(b) at a distance less than the focal length
(c) between focus and centre of curvature
(d) at a distance greater than radius of curvature

Q. Question 3
Under which of the conditions a concave mirror can form a real image larger than the actual object?

(a) When the object is kept at a distance equal to its radius of curvature.
(b) When object is kept at a distance less than its focal length.
(c) When object is placed between the focus and centre of curvature.
(d) When object is kept at a distance greater than its radius of curvature.

Q. Under which of the conditions a concave mirror can form a real image larger than the actual object?

(a) When the object is kept at a distance equal to its radius of curvature.
(b) When object is kept at a distance less than its focal length.
(c) When object is placed between the focus and centre of curvature.
(d) When object is kept at a distance greater than its radius of curvature.

Q. A point source of light

^{'} S^{'}

is placed on the principal axis of the concave mirror at a distance of

60 cm

. At what distance from the concave mirror should a flat mirror be placed, for the rays to converge at the source after two successive reflections

(

first one from the concave mirror

)

[

Radius of curvature of concave mirror is

80 cm]

Q. A concave mirror having a radius of curvature

40 c m

is placed in front of an illuminated point source at a distance of

30 c m

from it. Find the location of the image.

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