JEE Main 15 Apr 2018 Shift 1 Solved Paper

Section: Physics

Question : 12 of 90

Marks: +1, -0

A body of mass M and charge q is connected to a spring of spring constant k. It is oscillating along x-direction about its equilibrium position, taken to be at x=0, with an amplitude A. An electric field E is applied along the x-direction. Which of the following statements is correct ?

[Main 15 April 2018 S1]

The new equilibrium position is at a distance
qE
2k
from x=0
The total energy of the system is
1
2
mω2A2+
1
2
q2E2
k
The total energy of the system is
1
2
mω2A2−
1
2
q2E2
k
The new equilibrium position is at a distance
2qE
k
from x=0

Validate

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