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NEETPhysicsWaves and Sound

What is the resultant amplitude of the displacement of an elastic wave given by the function y = 3 sin ωt + 4 cos ωt, where y is in cm and t is in seconds?

Options

  1. A3 cm
  2. B4 cm
  3. C5 cm
  4. D7 cm

Correct answer

C. 5 cm

Step-by-step solution

Correct Option is : (C) 5 cm

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