UP BOARD CLASS 10TH SCIENCE OBJECTIVE IMPORTANT QUESTION
Q. अवतल लेंस का आवर्धन (m) कितना होता है?
(a) m=v/u
(b) u/v=m
(c) m=-u/v
(d) mu ×n
Answer- a
UP BOARD CLASS 10TH SCIENCE OBJECTIVE IMPORTANT QUESTION
(a) m=v/u
(b) u/v=m
(c) m=-u/v
(d) mu ×n
Answer- a