a convex lens of focal length 15 cm formed a real image at a distance of 20cm from its optical centre .find the position of the object.Is the image formed by the lens magnified or diminised?
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Answer:
Explanation:
Given:
A convex lens of focal length 15 cm formed a real image at a distance of 20cm from its optical centre .find the position of the object.Is the image formed by the lens magnified or diminised?
To find:
Given that u=−15cm f=20cm
Formula:
- By lens formula
- f1=v1−u1
- v1=101−201
- ⇒v=20cm
Required answer:-
The image gets formed at 20 cm to the right of the lens and it will be diminished, inverted and real in nature.
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