the image of an object of height 3cm placed at 25cm in front of a lens is obtained on a screen at distance of 40cm from it. Find the focal length of the lens. What would be the height of the image.
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the answer cannot be found lest you mention the type of lens : whether it is
convex lens or concave lens
Everpink:
It is a convex lens as only convex lens can form a real and inverted image
yeah I didnt realize it. thanks buddy
thanks
for your answer
but what is the focal length of the mirror and height of the image
you should be thanking the one who answered it not me.
yeah...... I saw it later
LOL
Answered by
2
The lens is convex lens as the image formed can be obtained on a screen
Hope it helps!
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thanks buddy
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