The motion of a particle varies with time according to the relation $y = a(\sin \omega \,t + \cos \omega \,t)$, then
  • A
    The motion is oscillatory but not S.H.M.
  • BThe motion is $S.H.M.$ with amplitude a
  • CThe motion is $S.H.M.$ with amplitude $a\sqrt 2 $
  • DThe motion is $S.H.M.$ with amplitude $2a$
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