Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Physics Work Power and Energy Potential Energy
When a spring is stretched by 2 cm, the energy stored is 100 J. If it is stretched further by 2 cm, its energy increases by __________.
1
300
2
400
3
200
4
More than one of the above
5
None of the above