two thin convex lenses of focal length 20cm and 40cm are in contact with each other. calculate the focal length and the power of the equivalent lens.?
Answers
Answered by
0
Answer:
60 cm
Explanation:
I think the answer is 60 cm
Answered by
0
Answer:
60 cm
Explanation:
After calculating I got this much
Similar questions
Math,
25 days ago
Chemistry,
25 days ago
Science,
1 month ago
Computer Science,
1 month ago
Physics,
9 months ago