Mon March 15, 2010 By:

2 lenses

1 Comments

7 years ago

Dear Student


If you mean  one convex and one concave put together it acts like a dlass pale ie   infinite fical length


Regards


Team


Topperlearning.com

Kasim Razak 2 2 days ago
Good. I like this video/chapter/test/question/greeting
Kasim Razak 3 2 days ago
Good. I like this video/chapter/test/question/greeting
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