Home
Class 12
PHYSICS
A source of sound emitting a note of con...

A source of sound emitting a note of constant frequency is moving towards a stationary listener and then recedes from the listener with constant velocity maintained throughout the motion. The frequency heard by the listener (f). when plotted against time (t) will give the following curve(s).

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • WAVE MOTION

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE-VI (LEVEL-II(ADVANCED) MORE THAN ONE CORRECT ANSWER TYPE QUESTIONS))|4 Videos

  • WAVE MOTION

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE-VI (LEVEL-II(ADVANCED) LINKED COMPREHENSION TYPE QUESTIONS))|8 Videos

  • WAVE MOTION

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE-VI (LEVEL-I(MAIN) STRAIGHT OBJECTIVE TYPE QUESTIONS))|11 Videos

  • UNITS AND MEASUREMENTS

    AAKASH SERIES|Exercise EXERCISE -3|66 Videos

  • WAVE MOTION AND SOUND

    AAKASH SERIES|Exercise PROBLEMS (LEVEL - II)|97 Videos

Similar Questions

Explore conceptually related problems

A train whistling at constant frequency is moving towards a station at a constant speed V. The train goes past a stationary observer on the station. The frequency n^(') of the sound as heard by the observer is plotted as a function of time t, figure. Identify the expected curve.

A train whistling at constant frequency is moving towards a station at a constant speed V. The train goes past a stationary observer on the station. The frequency n^(') of the sound as heard by the observer is plotted as a function of time t, figure. Identify the expected curve.

A source of sound emitting a note of frequency 200 Hz moves towards an observer with a velocity v equal to the velocity of sound. If the observer also moves away from the source with the same velocity v, the apparent frequency heard by the observer is

A source of frequency f is moving towards the observer along the line SO with a constant velocity upsilon_(s) as shown in figure. Plot f' versus t graph . Where f' is the changed frequency observed by the observer.

a bus is moving in a circle around a listener with speed 20 m/s of radius 2 m. Bus driver blows a horn with frequency 210 Hz. the frequency of sound heard by the listener is

A siren emitting sound of frequency 800 Hz is going away from a static listener with a speed of 30 m/s. Frequency of the sound to be heard by the listener is ( Take velocity of sound as 300 m/s )

Two sound sources emitting sound each of wavelength lambda are fixed at a given distance apart. A listener moves with a velocity u along the line joining the two sources. The number of beats heard by him per second is

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

when a source is going away from a stationary observer with the velocity equal to that of sound in air , then the frequency heard by observer is n times the original frequency . The value of n is

A fixed source of sound emitting a certain frequency appears as f_(a) when the observer is apporoaching the source with upsilon_(0) and f_(r) when the observer recedes from the source with the same speed. The frequency of source is