Home
Class 11
PHYSICS
The wavelength of a particle is 99 cm an...

The wavelength of a particle is 99 cm and that of other is 100 cm. Speed of sound is 396 m/s. The number of beats heard is

A

4

B

5

C

1

D

8

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • WAVES AND SOUND

    ERRORLESS |Exercise Stationary Waves|39 Videos

  • WAVES AND SOUND

    ERRORLESS |Exercise Vibration of string|52 Videos

  • WAVES AND SOUND

    ERRORLESS |Exercise Interference and Superposition of Waves|26 Videos

  • VECTORS

    ERRORLESS |Exercise Exercise|223 Videos

  • WORK , ENERGY , POWER AND COLLISION

    ERRORLESS |Exercise Self Evaluation Test|19 Videos

Similar Questions

Explore conceptually related problems

Two factories are sounding their sirens at 800 Hz. A man goes from one factory to the other at a speed of 2 m/s. The velocity of sound is 320 m/s. The number of beats heard by the person is 1 s will be

a bus is moving with a velocity 4 m/s towards a wall, the driver sounds a horn of frequency 173 Hz . if the speed of sound in air is 350 m/s. the number of beat heard per second by a passanger on the bus will be

A car is moving with a velocity of 5 m//s towards huge wall. The driver sounds a horn of frequency 165 Hz . If the speed of sound in air is 335 m//s , the number of beats heard per second by the driver is

A and B are two sources generating sound waves. A listener is situated at C. The frequency of the source at A is 500Hz. A now moves towards C with a speed 4m/s. The number of beats heard at C is 6. When A moves away from C with speed 4m/s, the number of beats heard at C is 18. The speed of sound is 340m/s. The frequency of the source at B is:

A source of sound S of frequency 500 Hz situated between a stationary observer O and wall W , moves towards the wall with a speed of 2m//s . If the velocity of sound is 332m//s . Then the number of beats per second heard by the observer is (approximately)

Two sound waves of wavelengths 98cm and 100cm arrive at the same point,from two different source.The number of beats heard (per second) is (speed of sound is 392m/s)

Two waves of wavelength 50 cm and 51 cm produce 12 beat/s . The speed of sound is

The wavelength of two sound waves are 49 cm and 50 cm respectively. If the room temperature is 30^@C then the number of beats produced by them is approximately (velocity of sound in air 0^@C=332m//s

ERRORLESS -WAVES AND SOUND-Beats
  1. The wavelength of two sound waves are 49 cm and 50 cm , respectively ....

    Text Solution

    |

  2. Maximum number of beats frequency heard by a human being is

    Text Solution

    |

  3. Two sound waves of slightly different frequencies propagating in the s...

    Text Solution

    |

  4. On sounding fork A with another tuning fork B of frequency 384 Hz , 6 ...

    Text Solution

    |

  5. It is possible to hear beats from the two vibrating sources of frequen...

    Text Solution

    |

  6. A tuning fork gives 4 beats with 50 cm length of a sonometer wire. If ...

    Text Solution

    |

  7. Two sound waves of wavelengths 5 m and 6 m formed 30 beats in 3 second...

    Text Solution

    |

  8. The wavelength of a particle is 99 cm and that of other is 100 cm. Spe...

    Text Solution

    |

  9. A tuning fork arrangement (pair) produces 4 beats//sec with one fork o...

    Text Solution

    |

  10. A tuning fork vibrates with 2 beats in 0.04 second. The frequency of t...

    Text Solution

    |

  11. Two sound sources when sounded simultaneously produce four beats in 0....

    Text Solution

    |

  12. A tuning fork of known frequency 256 Hz makes 5 beats per second with ...

    Text Solution

    |

  13. When temperature increases, the frequency of a tuning fork

    Text Solution

    |

  14. Two strings X and Y of a sitar produces a beat of frequency 4 Hz. When...

    Text Solution

    |

  15. The freuquency of tuning forks A and B are respectively 3% more and 2%...

    Text Solution

    |

  16. When a tuning fork vibrates, the waves produced in the fork are

    Text Solution

    |

  17. Two vibrating tuning fork produce progressive waves given by y(1) = 4 ...

    Text Solution

    |

  18. When a tuning fork produces sound waves in air, which one of the follo...

    Text Solution

    |

  19. The disc of a siren containing 60 holes rotates at a constant speed of...

    Text Solution

    |

  20. A sound source of frequency 170 Hz is placed near a wall. A man walkin...

    Text Solution

    |