An object is placed at 60 cm from a concave lens and the image is formed
at 20 cm from the lens.Find the focal length of the lens. (-30 cm)
Answers
Answered by
4
Answer:
mark me as brainlist......
Attachments:
Similar questions
Math,
5 months ago
Political Science,
5 months ago
English,
5 months ago
Math,
10 months ago
Science,
10 months ago