Home
Class 12
PHYSICS
The frequency of a tuning fork A is 5% g...

The frequency of a tuning fork A is 5% greater than that of a standard fork K. The frequency of another fork B is 3% less than that of K. When A and B are vibrated simulataneously 4 beats per second are heard. Find the frequencies of A and B.

A

52.5 Hz, 48.5 Hz

B

63.5 Hz, 79.5 Hz

C

10.5 Hz, 10.1 Hz

D

124 Hz, 120 Hz

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • WAVES

    AAKASH SERIES|Exercise EXERCISE-II (Doppler Effect : )|23 Videos

  • WAVES

    AAKASH SERIES|Exercise EXERCISE-III (Wave Equations & Basics)|7 Videos

  • WAVES

    AAKASH SERIES|Exercise EXERCISE-II (Pipes)|13 Videos

  • WAVE OPTICS

    AAKASH SERIES|Exercise PROBLEMS (LEVEL - II)|33 Videos

  • WAVES OPTICS

    AAKASH SERIES|Exercise EXERCISE -III (POLARISITION)|10 Videos

Similar Questions

Explore conceptually related problems

The frequency of tuning fork A is 2% more than the frequency of a standard tuning fork. The frequency of a tuning fork B is 3% less than the frequency of the same standard tuning fork. If 6 beat/s are heard when the tuning fork A and B are excited , then frequency of A will be

The frequency of fork A is 3% more than the frequency of a standard fork where as the frequency of fork B is 3% less. The fork A and B produce 6 beats per second. The frequency of standard fork will be -

The frequency of B is 3% greater than that of A . The frequency of C is 2% less than that of A . If B and C produce 8 beats//s , then the frequency of A is

The frequency of tuning forks A and B are respectively 3% more and 2% less than the frequency of tuning fork C . When A and B are simultaneously excited, 5 beats per second are produced. Then the frequency of the tuning fork A (in Hz) Is

The frequency of tuning forks A and B are respectively 5% more and 4% less than the frequency of tuning fork C. When A and B are simultaneously excited, 9 beats per second are produced. Then the frequency of the tuning fork A (in Hz) is

Two tuning forks A and B give 4 beats//s when sounded together . The frequency of A is 320 Hz . When some wax is added to B and it is sounded with A , 4 beats//s per second are again heard . The frequency of B is

Two tunning forks A and B produce 4 beats per second when sounded simultaneously . The frequency of A is known to be 256 Hz . When B is loaded with a little wax 4 beats per second are again produced . Find the frequency of B before and after loading .

A stretched sonometer wire is in unison with a uning fork. When the length is increased by 2% the number of beats per second is 5. Find the frequency of the forks.

When a tuning fork A of unknown frequency is sounded with another tuning fork B of frequency 256Hz, then 3 beats per second are observed. After that A is loaded with wax and sounded, the again 3 beats per second are observed. The frequency of the tuning fork A is

When two tuning forks (fork 1 and fork 2) are sounded simultaneously, 4 beats per second are heard. Now, some tape is attached on the prong of fork 2. When the tuning forks are sounded again, 6 beats per second are heard. If the frequency of fork 1 is 200 Hz, then what was the original frequency of fork 2 ?

AAKASH SERIES-WAVES-EXERCISE-II (Beats : )
  1. Two vibrating tunign forks produce progessive waves given by y(1)=4 ...

    Text Solution

    |

  2. Two tuning forks when sounded together produce 5 beats in 2 seconds. T...

    Text Solution

    |

  3. Two stretched wires of same length, diameter and same material are in ...

    Text Solution

    |

  4. Two progressive waves y(1) = 4 sin 400 pi t and y(2) = 3 Sin 404 pi t ...

    Text Solution

    |

  5. The frequency of a tuning fork A is 5% greater than that of a standard...

    Text Solution

    |

  6. 64 tuning forks are arranged such that each fork produces 4 beats per ...

    Text Solution

    |

  7. A tuning fork of unknown frequency produces 4 beats per second with an...

    Text Solution

    |

  8. A tuning fork produces 7 beats/s with a tuning fork of frequency 248Hz...

    Text Solution

    |

  9. Tuning fork A of frequency 258 Hz gives 8 beats with a tuning fork B. ...

    Text Solution

    |

  10. Two tuning forks A and B vibrating simultaneously produces, 5 beats. ...

    Text Solution

    |

  11. Tuning fork A of frequency 258 Hz gives 8 beats with a tuning fork B. ...

    Text Solution

    |

  12. Two tuning forks A and B vibrating simultaneously produces, 5 beats. ...

    Text Solution

    |

  13. A tuning fork of frequency 340 Hz produces 5 beats per second with a s...

    Text Solution

    |

  14. Two tuning forks x and y produce tones of frequencies 256 Hz and 262 H...

    Text Solution

    |

  15. A source frequency f gives 5 beats when sounded with a frequency 200Hz...

    Text Solution

    |

  16. The wavelength of two notes in air are 40/195 m and 40/193 m. Each not...

    Text Solution

    |

  17. When a vibrating tuning fork is placed on a sound box of a sonometer, ...

    Text Solution

    |

  18. Three sound waves of equal amplitudes have frequencies (n-1),n,(n+1). ...

    Text Solution

    |

  19. The frequencies of three tuning forks A, B and C have a relation n(A)g...

    Text Solution

    |

  20. Two identical piano wires have a fundamental frequency of 600 cycle pe...

    Text Solution

    |