Home
Class 12
PHYSICS
There are three sources of sound of equa...

There are three sources of sound of equal intensity with frequencies 400, 401 and 402 vib/sec . The number of beats heard per second is

A

0

B

1

C

2

D

3

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ALLEN JEE SCORE AIOT TEST 2

    NEET MAJOR TEST (COACHING)|Exercise PHYSICS|25 Videos

  • DRILL TEST -1

    NEET MAJOR TEST (COACHING)|Exercise PHYSICS|24 Videos

Similar Questions

Explore conceptually related problems

There are two sources of sound of equal intensity with frequencies 400Hz and 408Hz are vibrated together. The number of beats heard per second is

Two adjacent piano keys are struck simultaneously. The notes emitted by them have frequencies n_(1) and n_(2) . The number of beats heard per second is

Three sound sources p,q and r have frequencies 400 Hz, 401 Hz and 402 Hz respectively. Calculate the number of beats nodes per second.

The maximum number of beats that can be heard per second is

The number of beats produced per second is equal to the –

two piano keys are stuck simultaneously. the notes emitted by them have a frequencies 250 Hz and 253 Hz. the number of Beats heard per second is

A boy is walking away from a wall towards an observer at a speed of 1 metre / sec and blows a whistle whose frequency is 680 Hz . The number of beats heard by the observer per second is (Velocity of sound in air = 340 metres / sec

A car travelling with speed V/50 towards a hill, (where v is speed of sound in air), sounds a horn of frequency 196 Hz. The number of beats heard per second by the driver when reflected sound reaches the driver is

NEET MAJOR TEST (COACHING)-DRILL TEST - 4-PHYSICS
  1. Two springs P and Q are stretched by applying forces of equal magnitud...

    Text Solution

    |

  2. A tiny spherical oil drop carrying a net charge q is balanced in still...

    Text Solution

    |

  3. The plates of a capacitor are charged to a potential difference of 320...

    Text Solution

    |

  4. A uniform copper wire of length 1m and cross section area 5 xx 10^(-7...

    Text Solution

    |

  5. The electric field of a plane electromagnetic wave varies with time of...

    Text Solution

    |

  6. The figure shows three circuit with identical batteries, inductors and...

    Text Solution

    |

  7. An ideal choke draws a current of 8A when connected to an AC supply of...

    Text Solution

    |

  8. A screen is placed 50 cm from a single slit, which is illuminated with...

    Text Solution

    |

  9. There are three sources of sound of equal intensity with frequencies 4...

    Text Solution

    |

  10. Yong's double-slit experiment is carried out by using green, red and b...

    Text Solution

    |

  11. A totally reflecting, small plane mirror placed horizontally faces a p...

    Text Solution

    |

  12. Photon having wavelength lambda = 3.5xx10^(-7)m and lambda = 5.4xx10^(...

    Text Solution

    |

  13. Half life of Ra^(226) is 1620 years. Find how many atoms of radium dec...

    Text Solution

    |

  14. 200 MeV of energy may be obtained per fission of U^235. A reactor is g...

    Text Solution

    |

  15. In circuit shown in figure, determine the output waveform, output d.c....

    Text Solution

    |

  16. A body is orbiting around earth at a mean radius which is two times a...

    Text Solution

    |

  17. A conducting rod of 1 m length and 1 kg mass is suspended by two verti...

    Text Solution

    |

  18. The image of an object, forme by a plano-convex lens at a distance of ...

    Text Solution

    |

  19. Two Camot engines A and B are operated in series. The first one, A , r...

    Text Solution

    |

  20. A string is wound around a hollow cylinder fo mass 5 Kg and radius ...

    Text Solution

    |