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IIT JEE 2006 Paper : PHYSICS Section III - Comprehension Passage 3

Each comprehension passage contains 3 questions.
Each question below has only one correct answer.
In the IIT-JEE, you will be awarded 5 marks for each correct answer and −2 for each incorrect answer.
You will be awarded 0 marks for not attempting a question.

Two plane progressive sound waves are given by the equations:
y1 = A cos(0.5πx − 100πt) and y2 = A cos(0.46πx − 92πt).
Answer each question below based on the superposition of these waves.

Quiz Review
Multiple choice

Your Performance  

The velocity of these sound waves in m/s is

  100

  96

  192

  200

  Half-n-half Clue



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