MHT CET202013 Oct 2020Morning ShiftPhysicsWork, Power and EnergyActual
Two springs of spring constants ' K ^ and ' 2 ~K ^ are stretched by same force. If ' w ₁ ^ and ' w ₂ ' are the energies stored in them respectively then
Options
- Aw ₁=2 w ₂
- Bw ₁= w ₂ 4
- Cw ₂=2 w ₁
- Dw ₁= w ₂
Correct answer
A. w ₁=2 w ₂
Step-by-step solution
Energy stored in spring of w₁= 1 2 k x² constant k Th spring of contant 2k w₂= 1 2 (2k) x² constant k So, w₂=2w₁