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#177 When two protons are brought close, then
A) Kinetic energy increases
B) P.E increases
C) P.E decreases
D) P.E does not change
Answer: C
#178 The area under the force displacement graph represents
A) Area
B) Work done
C) Power
D) None of these
Answer: B
#179 Gravitational P.E of a body has
A) \(\frac{1}{2} k x^2\)
B) mgh
C) q \(\Delta V\)
D) All of these
Answer: B
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