Doppler Effect MCQ Tests
11th Class Physics MCQ Tests
Doppler Effect
of 11th Class Physics has 10 questions. If you take an online MCQ test, the system will randomly choose the questions. If you want to take the quiz by chapter then click the start test button.
Total Questions: 10
Total Marks: 10
Time: 10 Mins
Total Questions: 10
Total Marks: 10
Time: 10 Mins
10Min : 00 Sec Remaining
Question # 1
Ultrasonics are used for the detection of diseases in which of the following parts of a human body?
Question # 2
Which of the following options shows the use of ultrasound?
Question # 3
What will be the shift in wavelength of light emitted by a star moving away from Earth?
Question # 4
How an airplane detects the exact position of a runway, while landing on a rainy night?
Question # 5
How should a source and an observer move, so that there will be no change in frequency of sound waves emitted by the source?
Question # 6
What will be the wavelength of a sound of frequency 600 Hz? The speed of ultrasound is 340 ms−1.
Question # 7
What will be the wavelength of an ultrasound of frequency 600 kHz? The speed of ultrasound is 340 ms−1.
Question # 8
A source of sound moving with speed 25 m s − 1 towards an observer at rest emits a sound of frequency 500 Hz. Calculate the frequency of sound heard by the observer. Speed of sound is 340 m s − 1 .
Question # 9
Doppler effect cannot be used to measure which of the following quantities?
Question # 10
A medical machine is emitting a sound, but it is not heard by the operator due to high frequency. Which of the following is true regarding the frequency of that sound?
Total Questions
12345678910
Question # 1
Ultrasonics are used for the detection of diseases in which of the following parts of a human body?
Question # 2
Which of the following options shows the use of ultrasound?
Question # 3
What will be the shift in wavelength of light emitted by a star moving away from Earth?
Question # 4
How an airplane detects the exact position of a runway, while landing on a rainy night?
Question # 5
How should a source and an observer move, so that there will be no change in frequency of sound waves emitted by the source?
Question # 6
What will be the wavelength of a sound of frequency 600 Hz? The speed of ultrasound is 340 ms−1.
Question # 7
What will be the wavelength of an ultrasound of frequency 600 kHz? The speed of ultrasound is 340 ms−1.
Question # 8
A source of sound moving with speed 25 m s − 1 towards an observer at rest emits a sound of frequency 500 Hz. Calculate the frequency of sound heard by the observer. Speed of sound is 340 m s − 1 .
Question # 9
Doppler effect cannot be used to measure which of the following quantities?
Question # 10
A medical machine is emitting a sound, but it is not heard by the operator due to high frequency. Which of the following is true regarding the frequency of that sound?
Total Questions
12345678910
Physics
11th Class Online Classes 2026
Updated on: 22-05-2026
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