Work Energy and Power - Result Question 16

18. A particle with total energy $E$ is moving in a potential energy region $U(x)$. Motion of the particle is restricted to the region when

[NEET Kar: 2013]

(a) $U(x)>E$

(b) $U(x)<E$

(c) $U(x)=O$

(d) $U(x) \leq E$

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Answer:

Correct Answer: 18. (b)

Solution:

  1. (b) As the particle is moving in a potential energy region.

$\therefore$ Kinetic energy $>0$

And, total energy $E=$ K.E. + P.E.

$\Rightarrow U(x)<E$



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