Home
Class 9
PHYSICS
Which waves are used in ECG technique?...

Which waves are used in ECG technique?

A

Ultrasonic waves

B

Infrasonic waves

C

Supersonic waves

D

Audible waves

Text Solution

Verified by Experts

Ultrasonic waves
Promotional Banner

Topper's Solved these Questions

  • SOUND

    KUMAR PRAKASHAN|Exercise QUESTIONS AND ANSWERS (Fill in the blanks:)|9 Videos

  • SOUND

    KUMAR PRAKASHAN|Exercise QUESTIONS AND ANSWERS (Fill in the blanks by selecting the correct alternative from those given in the bracket:)|14 Videos

  • SOUND

    KUMAR PRAKASHAN|Exercise QUESTIONS AND ANSWERS (Answer the following questions in very short:)|30 Videos

  • QUESTION PAPER 03

    KUMAR PRAKASHAN|Exercise SECTION -D|3 Videos

  • WORK AND ENERGY

    KUMAR PRAKASHAN|Exercise QUESTION & ANSWER (ADDITIONAL NUMERICALS FOR PRACTICE)|50 Videos

Similar Questions

Explore conceptually related problems

Which waves are used in treatment of cancer ?

Which type of waves are used in electron microscope ?

Which waves are used for LASIK surgery ?

The source of Taq polymerase used in PCR technique is a (A) Thermophilic bacteria (B) Thermophilic fungus (C) Mesophilic bacteria (D) Mesophilic fungus

For communication which electromagnetic waves are used by cellular phones ?

In household appliances which waves are used to operate remote control switch ?

Which one of the following technique is not used to produce transgenic animals :-

Which electromagnetic waves can be used to obtain electrical energy ?

Which one of the following techniques is safest for the detection of cancers ?

KUMAR PRAKASHAN-SOUND-QUESTIONS AND ANSWERS (Choose the correct option from those given below cach question:)
  1. The distance between two consecutive conden sations in the sound wave ...

    Text Solution

    |

  2. In the air, the velocity of sound wave is 340 ms^(-1) and wavelength i...

    Text Solution

    |

  3. Waves of light are ........

    Text Solution

    |

  4. On which of the following factors does the velocity of wave not depend...

    Text Solution

    |

  5. The wavelength of the wave produced on the surface of water is 2 cm. I...

    Text Solution

    |

  6. Two waves produced from a source are shown in the following figure. St...

    Text Solution

    |

  7. Wave of which of the following frequenciescould we hear?

    Text Solution

    |

  8. What is the frequency range of audible sound wave?

    Text Solution

    |

  9. Which type of sound waves does the bat produce?

    Text Solution

    |

  10. Who can experience ultrasonic sound?

    Text Solution

    |

  11. Which waves are used in ECG technique?

    Text Solution

    |

  12. Whose unit is decibel (dB)?

    Text Solution

    |

  13. The SI unit of intensity of sound is ........

    Text Solution

    |

  14. Note is a sound which is ........

    Text Solution

    |

  15. The key of the mechanical plano is pressed (struck) first lightly and ...

    Text Solution

    |

  16. In SONAR ......... waves are used.

    Text Solution

    |

  17. When sound waves propagate in air……..

    Text Solution

    |

  18. When we convert soft sound in to loud sound, we increase its

    Text Solution

    |

  19. ....... can hear Infrasonic sound.

    Text Solution

    |

  20. In the begining of music programme, the sitarist changes / adjusts the...

    Text Solution

    |