Physics-
General
Easy

Question

Statement–I : The superposition of the waves y1 = A sin (kx –wt) and y2 = 3A sin(kx + wt) is a pure standing wave plus a travelling wave moving in the negative direction along X–axis
Statement–II : The resultant of y1 & y2 is y=y1 +y2 = 2A sin kx cos wt+2A sin (kx+wt)

  1. Statement–I is true, Statement–II is true ; Statement–II is correct explanation for Statement–I    
  2. Statement–I is true, Statement–II is true ; Statement–II is NOT a correct explanation for Statement–I    
  3. Statement–I is true, Statement–II is false    
  4. Statement–I is false, Statement–II is true    

The correct answer is: Statement–I is true, Statement–II is true ; Statement–II is correct explanation for Statement–I

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