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When a particle of mass m moves on the x...

When a particle of mass m moves on the x-axis in a potential of the form `V(x) =kx^(2)` it performs simple harmonic motion. The correspondubing time period is proprtional to `sqrtm/h`, as can be seen easily using dimensional analusis. However, the motion of a particle can be periodic even when its potential energy increases on both sides of `x=0` in a way different from `kx^(2)` and its total energy is such that the particle does not escape toin finity. Consider a particle of mass m moving on the x-axis. Its potential energy is `V(x)=ax^(4)(agt0)` for |x| neat the origin and becomes a constant equal to `V_(0)` for |x|impliesX_(0)` (see figure).

If total energy of the particle is E, it will perform perildic motion only if.

A

`E lt 0`

B

`E gt 0`

C

`V_(0) gt E gt 0`

D

`E gt V_(0)`

Text Solution

Verified by Experts

The correct Answer is:
C
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