Home
Class 9
PHYSICS
…../… are used in sonography....

…../… are used in sonography.

A

High frequency unltrasound

B

Stationary waves

C

High frequency infrasound

D

High frequency micro waves

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Study of Sound

    CHETANA PUBLICATION|Exercise EXERCISE|26 Videos

  • REFLECTION OF LIGHT

    CHETANA PUBLICATION|Exercise EXERCISE|19 Videos

  • WORK AND ENERGY

    CHETANA PUBLICATION|Exercise EXERCISE|20 Videos

Similar Questions

Explore conceptually related problems

UHF is used in

Answer the following What is sonography? Explain the technique of sonography.

Centrifuges are used to separate the particles of

Modem is used to

Fill in the blanks : Wallpapers which are used to decorate walls are designed using ………….

CHETANA PUBLICATION-Study of Sound-EXERCISE
  1. Sound waves with frequency greater than 20 kHz are called……….. .

    Text Solution

    |

  2. The loudness of a sound depends upon ………… .

    Text Solution

    |

  3. …../… are used in sonography.

    Text Solution

    |

  4. The ……….receives the vibrations coming from the membrane and converts ...

    Text Solution

    |

  5. Sound will not travel through ……….. .

    Text Solution

    |

  6. SI unit of …………..is Hertz (Hz).

    Text Solution

    |

  7. The loudness of a sound depends upon ………… .

    Text Solution

    |

  8. …………are used in sonography.

    Text Solution

    |

  9. Match the columns:

    Text Solution

    |

  10. The intensity of reverberation is higher in a closed and empty house.

    Text Solution

    |

  11. Bats can navigate in dark.

    Text Solution

    |

  12. Sound travels faster in iron than in air.

    Text Solution

    |

  13. The roof of a movie theatre and a conference hall is curved. Why?

    Text Solution

    |

  14. The intensity of reverberation is higher in a closed and empty house.

    Text Solution

    |

  15. What is an echo? What factors are important to get a distinct echo?

    Text Solution

    |

  16. Nita heard the sound of lightning after 4 seconds of seeing it. What w...

    Text Solution

    |

  17. Hydrogen gas is filled in two identical bottles, A and B, at the same ...

    Text Solution

    |

  18. Calculate distance travelled by a sound wave having frequency 1000 Hz ...

    Text Solution

    |

  19. Hydrogen gas is filled in two identical bottles, A and B, at the same ...

    Text Solution

    |

  20. What are the factors on which velocity of sound in gaseous medium depe...

    Text Solution

    |