NEET 2014 Physics and Chemistry

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Question : 8 of 90
 
Marks: +1, -0
The oscillation of a body on a smooth horizontal surface is represented by the equation,
X=Acos(ωt)
where X= displacement at time t
ω=frequency of oscillation
Which one of the following graph shows correctly the variation 'a' with 't' ?
[NEET 2014]
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