Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Physics Optics
Which of the following option gives the correct representation of Mirror formula?
1
1/f = 1/v - 1/u
2
1/f = 1/v + 1/u
3
f = 1/v x 1/u
4
More than one of the above
5
None of the above