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A block of mass m is attached to a sprin...

A block of mass `m` is attached to a spring of force constant k .Charges on the block is `q`. A horizontal electric field E is acting in the directions as shown.Block is released with the spring in unstretched position

block will execute `SHM`
(b) time period of osciallation is `2pisqrt(m)/(k)`
(c) amplitude of oscillation is `(qE)/(k)`
Block will oscillate but not simple harmonically
choose the correct answer

A

`a` and `b` are true

B

`d` is true

C

`a,b,c` are true

D

`a,b,c,d` are true

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