What is meant by power of lens right its SR unit a student uses the lens of focal length 40 cm and another of -20 what is the nature and power of each lens
Answers
Answered by
0
try to remember the words underlined
Attachments:
Similar questions
Math,
6 months ago
Math,
6 months ago
English,
6 months ago
Business Studies,
1 year ago
Hindi,
1 year ago
Social Sciences,
1 year ago