These problems were posted by Geena. Hope that we will be able to post the answers to these questions soon; each in a separate post. By the time visitors can attempt to post their answers as comments to this post. (Only selected posts will be published) Please note that the answers are not published until the [...]
IAPT (Indian Association of Physics Teachers) is an association of Physics Teachers spread through out the country. It was started by Late Dr. D. P.
Khandelwal in 1984 and today it has 5000 life