Physics
A concave lens forms the image of an object which is:
- virtual, inverted, and diminished
- virtual, upright, and diminished
- virtual, inverted, and enlarged
- virtual, upright, and enlarged.
Refraction Lens
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Answer
virtual, upright, and diminished
Reason — Irrespective of the position of the object, a concave lens always forms an image which is virtual, upright and diminished and it is situated on the side of the object between the focus and the lens.
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Related Questions
For an object placed at a distance 20 cm in front of a convex lens, the image is at a distance 20 cm behind the lens. The focal length of the convex lens is:
- 20 cm
- 10 cm
- 15 cm
- 40 cm.
For the object placed between the optical centre and focus of a convex lens, the image is :
- real and enlarged
- real and diminished
- virtual and enlarged
- virtual and diminished
For a convex lens when the object is at 2F1, then image is formed at :
- F2
- 2F2
- beyond 2F2
- infinity
A concave lens is used in :
- in slide projector
- as magnifying glass
- as burning glass
- in Galilean telescope