Q)
(chatquestion)...A far sighted person can see object beyond
71 cm clearly if separation between glasses and eye
lens is 2 cm, then find focal length of glass?
30
35
(1) 23 cm
(2) 34.5 cm
(3) 18.4 cm
(4) 30 cm
Y If velocity of an electromagnetic wave in a medium...(ye kese solve hoga...)
...
