

MCQOPTIONS
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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° | |