No matter how far you stand from a mirror, your image appears erect. The mirror is likely to be
A) Concave only
B) Plane only
C) Convex only
D) Either plane at Convex
1 Answers
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For a convex lens where should an object be placed so as to obtain its virtual, erect and magnified image ?
D) between focus and optic centre
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For what position of an obj ect a virtual, erect and diminished image is formed by a concave lens.
D) at any position
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A virtual erect image is formed when an object is placed on the principal axis of a convex lens ………………….
D) between focal point and optic centre
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The image formed by a concave mirror is virtual, erect and magnified. The position of object is ……………….
D) between pole and focus
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The minimum distance of an object from concave mirror for which the mirror forms real image is (let T be the focal length of concave mirror)
Correct option is A) f
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The image formed by a concave mirror is observed to be virtual, erect and larger than the object. Where should be the position of the object ?
A) Between the pole of the mirror and its principal focus
2 Answers 9 views
Parallel rays from a distant pole incident on a concave mirror form a sharp image on the screen placed at the focus of the mirror the image will be
A) real & inverted
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A concave mirror has a focal length of 25 cm. A person wants to see his face in this mirror. At what distance should the person stand ?
Correct option is C) 20 cm
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A spherical mirror and a thin spherical lens have each a focal length of – 15 cm. The mirror and the lens are likely to be …………….
B) both are concave
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Two bigmirrors A and B are fitted side by side on a wall. A man is standing at such a distance from the wall that he can see the erect image of his fa
Correct Answer - A (c )
2 Answers 1 views