Home
Class 7
PHYSICS
Humans cannot hear all the sounds produc...

Humans cannot hear all the sounds produced in their surroundings. The sounds whose frequencies fall in the audible range can only be heard by humans. The lower limit of the audible range for human ears is 20 Hz and the upper limit is `a xx 10^(b)` Hz. What are the respective values of a and b?

A

1 and 2

B

2 and 4

C

3 and 2

D

1 and 3

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • SOUND

    BEIITIANS|Exercise Conceptive Worksheet|18 Videos

  • SOUND

    BEIITIANS|Exercise Summative Worksheet (Choose the correct answer)|2 Videos

  • SOUND

    BEIITIANS|Exercise IIT JEE Worksheet (V. Matrix Matching)|5 Videos

  • MOTION

    BEIITIANS|Exercise IIT JEE WORKSHEET (MATIRX MATCHING) |1 Videos

  • WIND, STROM AND CYCLONES

    BEIITIANS|Exercise IIT JEE Worksheet (II. Multiple Correct Answer Type)|1 Videos

Similar Questions

Explore conceptually related problems

What is the lowest limit of frequency range that is audible to human beings ?

For human ears, the audible range is 20 Hz to 20,000 Hz.

Identify the frequency range of sounds audible to humans.

What frequency of sound is audible to human ear and which are not? Can other livings hear those sound wave?

BEIITIANS-SOUND-Formative Worksheet
  1. A police officer, who is investigating a robbery in a locality, presse...

    Text Solution

    |

  2. Kevin touches four objects, I, II, III, and IV. He makes the following...

    Text Solution

    |

  3. Which of the following musical instruments is not matched with its vib...

    Text Solution

    |

  4. The plucking of a stretched metal wire produces sound because

    Text Solution

    |

  5. Which part of the human body vibrates to produce sounds?

    Text Solution

    |

  6. v(s)=Speed of sound in solid medium v(l)= Speed of sound in liquid m...

    Text Solution

    |

  7. The sound coming from an alarm clock cannot be heard if it is kept ins...

    Text Solution

    |

  8. What should a hearing-impaired person wear in order to enhance his hea...

    Text Solution

    |

  9. Vibration can be defined as the

    Text Solution

    |

  10. Ivan shakes one end of a rope attached to a wall. This produces a wave...

    Text Solution

    |

  11. What is the time period of a pendulum if its bob oscillates 100 times ...

    Text Solution

    |

  12. Eric throws a stone in a river. The stone travels a distance that is 1...

    Text Solution

    |

  13. The maximum displacement of a sound wave on either side of the mean po...

    Text Solution

    |

  14. The intensity of sound waves is measured in

    Text Solution

    |

  15. The famous band of Beetles has used an ultrasonic whistle in one of th...

    Text Solution

    |

  16. Humans cannot hear all the sounds produced in their surroundings. The ...

    Text Solution

    |

  17. I. The amplitude determines the pitch of sound. III. Sound can trav...

    Text Solution

    |

  18. Objects that produce sound: I Fire crackers II Siren III Mouth...

    Text Solution

    |

  19. Nowadays, government and local bodies are taking initiatives in roadsi...

    Text Solution

    |