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Doppler — Both Moving — Previous-Year Questions

5 previous-year questions on Doppler — Both Moving, drawn from JEE Mains, JEE Advanced, NEET UG, and CUET papers. Every question carries a worked-out explanation.

Q1. Source moves at 20 m/s toward observer, who moves at 10 m/s toward source. f = 1000 Hz, v = 330 m/s. f':

JEE 2022

Q2. Both source and observer recede from each other at 30 m/s. f = 500 Hz, v = 340 m/s. f':

JEE 2021

Q3. Source and observer move with the SAME velocity in the same direction. Doppler shift:

JEE 2020

Q4. Maximum Doppler shift up occurs when:

JEE 2019

Q5. Doppler shift formula for sound is approximately:

JEE 2018

Doppler — Both Moving previous-year questions from sciphylab (also known as SciPhy, SciPhy Lab, SciPhy Labs, Physics Lab). Class 11 physics practice for JEE Mains, JEE Advanced, NEET UG, AP Physics 1/2/C, SAT, and CUET-UG candidates.