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JEE Advance 2025 Paper 1

JEE Advance · 2025

94 questions · One at a time

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MCQ4 marks

Three strings with densities μ,4μ,16μ\mu, 4\mu, 16\mu  . Wave y=y0cos⁡(ωt−kx)y = y_{0}\cos(\omega t - kx)  . Which statements about reflection and transmission at P and Q are correct?

  • A.Reflection from P: reflected wave has π\pi   phase shift.Correct
  • B.Transmission through P: transmitted wave is in phase.
  • C.Reflection from Q: reflected wave has π\pi   phase shift.
  • D.Transmission through Q: transmitted wave has wavenumber 4k.Correct
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