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KCET 2017 Physics Solved Paper
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© examsnet.com
Question : 43
Total: 60
A linear object of height 10 cm is kept in front of a concave mirror of radius of curvature 15 cm, at a distance of 10 cm. The image formed is
magnified and erect
magnified and inverted
diminished and erect
diminished and inverted
Validate
Solution:
Given, height of object = 10 cm; radius of curvature = 15 cm; distance of object = 10 cm.
Since radius of curvature is 15 cm, so focal length
=
15
2
=
7.5
cm
⇒
f
<
u
Thus, the object is placed between centre of curvature and focus of the concave mirror.
Therefore, the image formed is magnified and inverted.
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