Science, asked by ranjeetkumar57, 10 months ago

a 50 centimetre tall object is at a very large distance from a diverging lens a virtual erect and diminished image of the object is formed at a distance of 20cm in front of the lens how much is the focal length of the lens​

Answers

Answered by santibarua188
1

Answer:

Sorry but your question is incorrect.

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