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Doppler Effect Questions

Practice 10 Doppler Effect questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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10
Total Questions
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1
Easy
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5
Medium
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Hard
Practice by Exam:Physics(10)

About Doppler Effect — practice questions, PYQs & concepts

Doppler Effect is a frequently-tested topic on Physics. ExamTest.live currently lists 10 Doppler Effect questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

Doppler Effect weight in competitive exams

Across our Doppler Effect question bank, the largest sources are Physics (10). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 1 easy Doppler Effect questions are available — build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right — the explanation often surfaces a faster approach you can reuse.

All Doppler Effect Questions(1–10 of 10)

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Q1easymcqPhysicsNEET (UG) 20172026
0% accuracy
Two cars moving in opposite directions approach each other with speed of and respectively. The driver of the first car blows a horn having a frequency . The frequency heard by the driver of the second car is: (velocity of sound )
Q2mediummcqPhysicsAIEEE 20062026
0% accuracy
A whistle producing sound waves of frequencies and above is approaching a stationary person with speed . The velocity of sound in air is . If the person can hear frequencies up to a maximum of , the maximum value of up to which he can hear the whistle is:
Q3mediummcqPhysicsNEET 20172026
Two cars moving in opposite directions approach each other with speed of and respectively. The driver of the first car blows a horn having a frequency . The frequency heard by the driver of the second car is [velocity of sound ]:
Q4mediummcqPhysicsAIEEE2026
An observer moves towards a stationary source of sound, with a velocity one fifth of the velocity of sound. What is the percentage increase in the apparent frequency?
Q5mediummcqPhysicsAIEEE 20092026
A motor cycle starts from rest and accelerates along a straight path at . At the starting point of the motor cycle there is a stationary electric siren. How far has the motor cycle gone when the driver hears the frequency of the siren at of its value when the motor cycle was at rest? (speed of sound ).
Q6hardmcqPhysicsPhysics
The driver of a car travelling with speed towards a hill sounds a horn of frequency . If the velocity of sound in air is , the frequency of reflected sound as heard by driver is:
Q7hardmcqPhysicsPhysics
A train moving at towards an object emits sound. Some sound reflects back as an echo. The frequency of the echo detected by the driver is: ()
Q8mediummcqPhysicsPhysics
A speeding motorcyclist sees traffic jam ahead of him. He slows down to . He finds that traffic has eased and a car moving ahead of him at is honking at a frequency of . If the speed of sound is , the frequency of the honk as heard by him will be:
Q9hardmcqPhysicsPhysics
A source of sound emitting waves of frequency and an observer are located at some distance from each other. The source is moving with a speed of at an angle of with the source-observer line. The observer is at rest. The apparent frequency observed by the observer (velocity of sound in air ), is:
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Q10hardmcqPhysicsPhysics
A siren emitting a sound of frequency moves away from an observer towards a cliff at a speed of . Then, the frequency of sound that the observer hears in the echo reflected from the cliff is: (Take velocity of sound in air )

Frequently Asked Questions

How many Doppler Effect questions are on ExamTest.live?▼
We have 10 Doppler Effect questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Doppler Effect MCQs free?▼
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Which exams include Doppler Effect questions?▼
Doppler Effect questions are commonly asked in Physics. You can filter by exam using the links above.
How do I practice Doppler Effect questions effectively?▼
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.