JEE · NEET Previous Year Question
An observer moves towards a stationary source of sound with a velocity equal to one-fifth of the velocity of sound. The percentage change in the frequency will be:
Topic: JEE PYQ
Answer: A. Full step-by-step solution below.
- A20%
- B10%
- C5%
- D0%
Correct answer: A
Solution
(a)More Sound Waves PYQs
- The fundamental frequency in an open organ pipe is equal to the third harmonic of a closed organ pipe. If the length of the closed…
- A driver in a car, approaching a vertical wall notices that the frequency of his car horn, has changed from to…
- The velocity of sound in air is doubled when the temperature is raised from to . The value…
- The fundamental frequency of an air column in a pipe closed at one end is . If the same pipe is open at both…
- An engine is moving towards a wall with a velocity emits a note of . Speed of sound i…