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The potential energy of a point particle...

The potential energy of a point particle is given by the expression `V(x) = -alpha x + beta sin (x//gamma)`. A dimensionless combination of the constant `alpha, beta` and `gamma` is–

A

`alpha//beta gamma`

B

`alpha^(2)//beta gamma`

C

`gamma//alpha beta`

D

`alpha gamma//beta`

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The correct Answer is:
D
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