A chain of length L and mass Mis arranged as shown in following four cases. The correct decreasing order of potential energy (assumed zero at horizontal surface) is:
(i)
A. `i gt ii gt iii gt iv gt v`
B. `i= ii gt iii gt iv gt v`
C. `i= ii gt iv gt iii gt v`
D. `i= ii gt iv gt v gt iii`
(i)

A. `i gt ii gt iii gt iv gt v`
B. `i= ii gt iii gt iv gt v`
C. `i= ii gt iv gt iii gt v`
D. `i= ii gt iv gt v gt iii`
Correct Answer – C