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A spring block system undergoes SHM on a...


A spring block system undergoes SHM on a smooth horizontal surface, the block is now given some charge and a uniform horizontal electric field E is switched on as shown in Fig. As a result

A

Time period of oscillation will increase

B

Time period of oscillation will decrease

C

Time period of oscillation will remain unaffected

D

the mean position of SHM will shift to the right.

Text Solution

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The correct Answer is:
C, D

When a contant force is superimposed on a system which undergoes SHM slong the line of SHM, the time period does ot chagne as it depends on mass of the block and force constant of spring. The mean position changes as this is the point where net force on the particle is zero.
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