A convex lens of focal length 40cm and concave lens of focal length 10cm are placed in close contact with one another. What is the power of this combination. What is the focal length of the combination
Answers
Answered by
0
convex 50 and 40 by mirror
Similar questions
Economy,
7 months ago
Math,
7 months ago
English,
1 year ago
Physics,
1 year ago
Social Sciences,
1 year ago