Home
Class 12
PHYSICS
The car in the figure is moving to the l...

The car in the figure is moving to the left at 35 m/s. The car's horn continuously emits a `2.20 xx 10^2` Hz sound. The figure also shows the first two regions of compression of the emitted sound waves. The speed of sound is 343 m/s.

What is the frequency heard by a stationary observer standing in front of the car?

A

9.7 Hz

B

245 Hz

C

176 Hz

D

219 Hz

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • WAVE - II

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS (MATRIX MATCH)|4 Videos

  • WAVE - II

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS (INTEGER TYPE)|5 Videos

  • WAVE - II

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS (MORE THAN ONE CORRECT CHOICE TYPE)|6 Videos

  • VECTORS

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS|39 Videos

  • WAVES-I

    RESNICK AND HALLIDAY|Exercise Practice Questions (Integer Type)|4 Videos

Similar Questions

Explore conceptually related problems

The car in the figure is moving to the left at 35 m/s. The car's horn continuously emits a 2.20 xx 10^2 Hz sound. The figure also shows the first two regions of compression of the emitted sound waves. The speed of sound is 343 m/s. What is the wavelength of the sound in the direction of motion of the car?

The car in the figure is moving to the left at 35 m/s. The car's horn continuously emits a 2.20 xx 10^2 Hz sound. The figure also shows the first two regions of compression of the emitted sound waves. The speed of sound is 343 m/s. How far does the car move in one period of the sound emitted from the horn?

The car in the figure is moving to the left at 35 m/s. The car's horn continuously emits a 2.20 xx 10^2 Hz sound. The figure also shows the first two regions of compression of the emitted sound waves. The speed of sound is 343 m/s. How far has the initial compression traveled when the second compression is emitted?

A source of sound of frequency 500 Hz is moving towards an observer with velocity 30 m/s . The speed of sound is 330 m/s . the frequency heard by the observer will be

A car moving at 35 m/s approaches a stationary whistle that emits a 220 Hz sound. The speed of sound is 343 m/s. What is the speed of the sound relative to the driver of the car?

A railroad train is travelling at 30(m)/(s) in still air. The frequency of the note emitted by locomotive whistle is 500 Hz. Speed of sound is 345(m)/(s) . Q. What is the frequency of the sound waves heard by a stationary listener in front of the train?