When a body is suspended from two light springs separately, the periods of vertical oscillations are `T_1` and `T_2`. When the same body is suspended from the two spring connected in series, the period will be

Options

A. `T=T_(1)+T_(2)`
B. `T=(T_(1)t_(2))/(T_(1)+T_(2))`
C. `T^(2)=T_(1)^(2)+T_(2)^(2)`
D. `1/T^(2)=1/T_(1)^(2)+1/T_(2)^(2)+1`

Answer

B