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MHT-CET : Physics Entrance Exam

MHT - CET : Physics - Wave Motion Know More

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  • A progressive wave transports energy from one point to another.
  • If the oscillatory motion of the particles of the medium is S.H.M., then the wave is known as simple harmonic progressive wave.
  • The pitch of the note of a sound is higher for higher frequency.
  • Intensity of sound is also known as loudness. It is directly proportional to the square of amplitude.
  • A longitudinal wave is reflected from a rigid surface such that a compression remains a rarefaction and vice versa.
  • A transverse wave is reflected from a rigid surface such that a crest becomes a trough and vice versa.
  • A longitudinal wave is reflected from the surface of a raver medium such that a compression becomes a rarefaction and vice versa.
  • A transverse wave is reflected from the surface of a rarer medium such that a crest remains a crest.
  • A wave is reflected from the surface of a denser medium with a phase change of p radians.
  • A wave is reflected from the surface of a rarer medium with no phase change.
  • For the phenomenon of beats to be heard clearly, the difference between the two frequencies should not exceed 10 Hz.
  • If the frequencies differ by more than 10 Hz, the beats produced cannot be heard clearly due to persistence of hearing of human ear.

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