Home
Class 11
PHYSICS
Statement-1 : Explosions on other planet...

Statement-1 : Explosions on other planets are not heard on earth
Statement-2 : To hear distinct beats, difference in frequencies of two sources should be less than 10.

A

Statement-1 is true, Statement-2 is true , Statement-2 is correct explanation for Statement-2

B

Statement-1 is true,Statement-2 is true , Statement-2 is NOT a correct explanation for Statement-2

C

Statement-1 is true, Statement-2 is false

D

Statement-1 is false, Statement-2 is true

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • WAVES AND OSCILLATIONS

    ALLEN|Exercise Part-1(Exercise-04)[A]|29 Videos

  • WAVES AND OSCILLATIONS

    ALLEN|Exercise Part-1(Exercise-04)[B]|13 Videos

  • WAVES AND OSCILLATIONS

    ALLEN|Exercise Part-1(Exercise-02)|19 Videos

  • SEMICONDUCTORS

    ALLEN|Exercise Part-3(Exercise-4)|51 Videos

Similar Questions

Explore conceptually related problems

The beats are not heard, if the difference in frequencies of the two sounding notes is more than 10. Why ?

Statement-1 : Beats cannot be produced by light sources. Statement-2: Light sources have constant phase difference

Assertion : To hear distinct be beats, difference in frequencies of two sources should be less than 10. Reason : More the number of beats // sec., more is the confusion.

Assertion : To hear distinct beats, difference in frequencies of two sources should be less than 10 . Reason : More the number of beats per sec more difficult to hear them.

Statement-1 : Time period of simple harmonic motion at moon greater than that on earth. because Statement-2: There is no atmosphere on moon.

Statement-1: Wit non-metals covalent hydrides are formed. Statement-2: For covalent hydrides electronegativity difference should be less.

Statement-1: Keto form is less stable than enol form and Statement-2: Enol form is stabilized by aromaticity.

Assertion : Beats can be formed when the diffference in freqencies of two sources is greater than 10. Reason : Time interval between two beats should be less than 1/10 seconds to hear distinct beats.

Statement-1: Ozone protects earth from harmful UV radiation and Statement-2: CFC's are main source for ozone layer depletion.

ALLEN-WAVES AND OSCILLATIONS-Part-1(Exercise-03)
  1. Statement-1 : Sound travels faster in moist air Statement-2 : The de...

    Text Solution

    |

  2. Statement-1 : Standing waves do not transport energy in the medium S...

    Text Solution

    |

  3. Statement-1 : Explosions on other planets are not heard on earth Sta...

    Text Solution

    |

  4. Statement-1 : Vacuum is densest for sound and rarest for light State...

    Text Solution

    |

  5. Statement-1 : Ultrasonics is the acoustic analogue of ultraviolet radi...

    Text Solution

    |

  6. Statement-1 : In frasonic waves are generally produced by large vibrat...

    Text Solution

    |

  7. Statement-1 : Partially transwave waves are possible on a liquid surfa...

    Text Solution

    |

  8. Statement-1 : The superposition of the waves y(1) = A sin(kx - omega t...

    Text Solution

    |

  9. Statement-1 : Mechanical transverse waves cannot be generated in gaseo...

    Text Solution

    |

  10. Statement-1 : Description of sound as pressure wave is preferred over ...

    Text Solution

    |

  11. Statement-1 : During thunderstrom, light is seen much earlier than the...

    Text Solution

    |

  12. Statement-1 : During thunderstrom, light is seen much earlier than the...

    Text Solution

    |

  13. Statement-1 : Earthquakes cause vast devastation. Sometimes short and ...

    Text Solution

    |

  14. Statement-1 : Shock waves produced by supersonic aircraft may be visib...

    Text Solution

    |

  15. Statement-1 : In the case of a stationary wave, a person hear a loud s...

    Text Solution

    |

  16. Statement I: waves genrated in a metal piece can be transverse or long...

    Text Solution

    |

  17. Statement-1 : A balloon filled with CO(2) gas acts as a coverging lens...

    Text Solution

    |

  18. Statement-1 : Node of pressure wave is formed at the open end of an or...

    Text Solution

    |

  19. Statement-1 : If transverse waves are produced in a very long string f...

    Text Solution

    |

  20. Statement-1 : When two vibrating tuning forks have f(1) = 300 Hz and f...

    Text Solution

    |