Q142 / 150 · MHT CET 2024 (03 May Shift 1) · Physics

When wavefronts pass from denser medium to rarer medium, the width of the wavefront

  • Correct answer
    A
    increases.
  • B
    may increase or decrease.
  • C
    decreases.
  • D
    remains unchanged.

Solution

- As the wavefronts move from the denser medium to the rarer medium, the distance between successive wavefronts increases. - Therefore, the width of the wavefronts increases when transitioning from a denser medium to a rarer medium. - The correct answer to the question is that the width of the wavefront increases when wavefronts pass from a denser medium to a rarer medium.

Hence, the correct answer is option: 'A'.

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