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Waves — JEE Physics MCQs
Master Waves for JEE Main with free physics MCQs. Each question includes a detailed solution and instant feedback — practice at easy, medium, and hard difficulty levels to build exam-ready confidence.
4 practice questions with instant feedback and solutions.
Medium•Waves
[JEE Mains 2026] A detector moves from point A towards a stationary source and then moves away to point B. The observed frequencies differ by 20%. If the source emits a frequency of 500 Hz, and the speed of the detector is v, what is the ratio v/v (where v is the speed of sound)?
Easy•Waves
A wave has frequency Hz and wavelength m. Its velocity is:
Medium•Waves
A string of length m and linear mass density kg/m is stretched with a tension of N. The frequency of the second harmonic is:
Medium•Waves
[JEE Mains 2026] In an open organ pipe, the 3rd and 6th harmonic frequencies differ by 3200 Hz. If the speed of sound is 320 m/s, find the length of the organ pipe.