Home
Class 7
PHYSICS
Which of the following statements is wro...

Which of the following statements is wrong?

A

Galton Whistle produces frequency more than 20,000 Hz.

B

Infrasonic vibrations are used for homogenizing milk.

C

Dolphins use ultrasonic sound to locate their prey.

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
B
Ultrasonic vibrations are used for homogenizing milk.
Promotional Banner

Topper's Solved these Questions

  • SOUND

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL-2)|29 Videos

  • SOUND

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL-3)|5 Videos

  • SOUND

    PEARSON IIT JEE FOUNDATION|Exercise TEST YOUR CONCEPTS ( ESSAY TYPE QUESTIONS )|13 Videos

  • OUR UNIVERSE

    PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TEST (TEST 2)|14 Videos

Similar Questions

Explore conceptually related problems

Which of the following statement is wrong?

Which of the following statement is wrong?

Which of the following statement is wrong?

Which of the following statement is wrong ?

Which of the following statement is wrong ?

Which of the following statement is wrong ?

Which of the following statement is wrong ?

Which of the following statement is wrong?

PEARSON IIT JEE FOUNDATION-SOUND-CONCEPT APPLICATION (LEVEL-1)
  1. An echo of sound produced by a person, is heard from a distant tower a...

    Text Solution

    |

  2. The flash of lightening is seen much before we hear the thunder becaus...

    Text Solution

    |

  3. Which of the following materials is the best absorber of sound ?

    Text Solution

    |

  4. The pitch of sound is determined by the of vibration.

    Text Solution

    |

  5. When two tunning forks A and B, having frequencies 512 Hz and 212 Hz, ...

    Text Solution

    |

  6. The time period of a seconds pendulum is s.

    Text Solution

    |

  7. The frequency of a vibrating body is 100 Hz. Its time period is

    Text Solution

    |

  8. The velocity of sound in vacuum is m s^(-1)

    Text Solution

    |

  9. The time taken to displace a vibrating body from its mean position to ...

    Text Solution

    |

  10. Which of the following statements is wrong?

    Text Solution

    |

  11. As the amplitude of a vibrating body increases, the loudness of the so...

    Text Solution

    |

  12. A tabla or a drum is an example of a

    Text Solution

    |

  13. The loudness of sound is measured in .

    Text Solution

    |

  14. Loudness of a sound in the range of 5 dB - 8 dB is .

    Text Solution

    |

  15. When the length of the pendulum increases, the time period of the pend...

    Text Solution

    |

  16. Arrange the following steps in a sequential order to verify the laws o...

    Text Solution

    |

  17. Write the following statements in a sequential order to find the depth...

    Text Solution

    |

  18. Match the following Column I to Column II

    Text Solution

    |

  19. The relationship between velocity, wavelength and frequency is

    Text Solution

    |

  20. A tuning fork of frequency 100 Hz emits a wave of wavelength 4m. What ...

    Text Solution

    |