JEE-MAIN SERIES
Physics

Doppler Effect

4 previous year questions.

Volume: 4 Ques
Yield: Medium

High-Yield Trend

3
2023
1
2021

Chapter Questions
4 MCQs

01
PYQ 2021
medium
physics ID: jee-main
A source and a detector move away from each other in absence of wind with a speed of 20 m/s with respect to the ground. If the detector detects a frequency of 1800 Hz of the sound coming from the source, then the original frequency of source considering speed of sound in air 340 m/s will be _________ Hz.
02
PYQ 2023
medium
physics ID: jee-main
A train is moving with a speed of towards a platform and blows a horn with frequency . Find the frequency heard by a passenger standing on the platform. Take speed of sound = .
1
405 Hz
2
425 Hz
3
380 Hz
4
413 Hz
03
PYQ 2023
medium
physics ID: jee-main

A source of sound is moving away from a stationary observer with constant velocity 40 m/s. Find frequency heard by observer, if original frequency of source is 400 Hz and speed of sound in air is 360 m/s

1

330 Hz

2

320 Hz

3

360 Hz

4

280 Hz

04
PYQ 2023
medium
physics ID: jee-main
A car P travelling at 20 sounds its horn at a frequency of 400 Hz. Another car Q is travelling being the first car in the same direction with a velocity 40 . The frequency heard by the passenger of the car Q is approximately [Take, velocity of sound = 360 ]
1
485 Hz
2
421 Hz
3
471 Hz
4
514 Hz

About Doppler Effect - JEE-MAIN

Doppler Effect is a vital chapter for JEE-MAIN aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.

By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.

Frequently Asked Questions

Why focus on Doppler Effect PYQs?

Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.

How to best use this analysis?

Review the topic breakdown to see which sub-topics within Doppler Effect carry the most weight. Then, tackle the questions iteratively to solidify your understanding.