1.

Three simple harmonic motions in the same direction having the same amplitude a and same period are superposed. If each differs in phase from the next by \[{{45}^{o}}\], then  [IIT JEE 1999]

A. The resultant amplitude is \[(1+\sqrt{2)}a\]
B. The phase of the resultant motion relative to the first is 90°
C. 1 : 4
D. The resulting motion is not simple harmonic
Answer» B. The phase of the resultant motion relative to the first is 90°


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