Home/
Competitive Exams/
JEE Main & Advanced/
Physics/
Waves on String/
Question 31307
JEE Physics · Medium

Waves on String: Reflection MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

Timer-based practiceDetailed answer reviewMobile-friendly flow
ReflectionMediumQuestion 31307

Question

Reflection at a free end (lighter to denser, then free end):
  1. A
    Phase change of π
  2. B
    No phase change (no inversion)
    Correct
  3. C
    Total absorption
  4. D
    Reflection doubles amplitude

Correct answer

No phase change (no inversion)

Explanation

At a free end, the string is unconstrained — the antinode forms at the end. Reflection occurs without phase inversion.

Review Waves on String notesStart timed chapter practice