The magnifying power of a telescope with tube 60 cm is 5. What is the focal length of its eye piece ? The magnifying power of a telescope with tube 60 cm is 5. What is the focal length of its eye piece ? September 23, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related