Home
Class 9
PHYSICS
What is loudness of sound ? What factors...

What is loudness of sound ? What factors does it depend on ?

Promotional Banner

Topper's Solved these Questions

  • SOUND

    PRADEEP|Exercise Short Answer Question|11 Videos

  • SOUND

    PRADEEP|Exercise Very Short Answer|19 Videos

  • SOUND

    PRADEEP|Exercise NCERT Questions And Exercise|17 Videos

  • MOTION

    PRADEEP|Exercise Mock test|24 Videos

  • WORK AND ENERGY

    PRADEEP|Exercise III Quiz Testing|10 Videos

Similar Questions

Explore conceptually related problems

(a) What is meant by the 'loudness' of sound? On what factor does the loudness of a sound depend? (b) Draw labelled diagrams to represent (a) soft sound, and (b) loud sound, of the same frequency.

What is emf of a cell? On what factors does its value depend?

What is ionization enthalpy ? On what factors does it depend ? How does ionisation enthapy of the elements very as we move down a group and along a period ?

What determines the loudness of sound ?

Explain the characteristics of musical sounds. On what factors do they depend ?

Define the term angle of contact. On what factors does it depend?

PRADEEP-SOUND-NCERT Exercise
  1. Cite an experiment to show that sound needs a meterial for its propaga...

    Text Solution

    |

  2. Why is sound wave called a longitudinal wave ?

    Text Solution

    |

  3. Which characteristic of the sound helps you to identify your friend by...

    Text Solution

    |

  4. Flash ans thunder are produced simultaneously. But thunder is heard a ...

    Text Solution

    |

  5. A person has a hearing range from 20 Hz to 20 kHz. What are the typica...

    Text Solution

    |

  6. Two children are at opposite ends of an aluminium rod. One strikes the...

    Text Solution

    |

  7. The frequency of a source of sound is 100 Hz. How many times does it v...

    Text Solution

    |

  8. Does sound follow the same laws of reflection as light does ? Explain.

    Text Solution

    |

  9. When a sound is reflected from a distant object, an echo is produced. ...

    Text Solution

    |

  10. Give two practical applications of reflection of sound waves.

    Text Solution

    |

  11. A stone is dropped from the top of a tower 500 m high into a pond of w...

    Text Solution

    |

  12. A sound wave travels at a speed of 339 m//s. If its wavelength is 1.5 ...

    Text Solution

    |

  13. What is reverberation ? How can it be reduced ?

    Text Solution

    |

  14. What is loudness of sound ? What factors does it depend on ?

    Text Solution

    |

  15. Explain how bats use ultrasound to catch a prey.

    Text Solution

    |

  16. How is ultrasound used for cleaning ?

    Text Solution

    |

  17. Explain the working and application of a sonar.

    Text Solution

    |

  18. A sonar device on a submarine sends out a signal and receives an echo ...

    Text Solution

    |

  19. Explain how defects in a metal block can be detected using ultrasound.

    Text Solution

    |

  20. Explain how the human ear works.

    Text Solution

    |