CBSE BOARD X, asked by kumariswati356, 7 months ago

Find the focal length and nature of lens which should be placed in contact with a lens of focal length 10 cm so that the power of the combination becomes 5 dioptre.
(-20cm, concave)

Answers

Answered by nidhiparashar22392
2

Answer:

answer of your question

Attachments:
Similar questions