Home
Class 12
PHYSICS
The frequencies of X-rays, gamma-rays an...

The frequencies of `X`-rays, `gamma`-rays and ultraviolet rays are respectively `a, b and c` .Then

A

`altb, bgtc`

B

`agtb, bgtc`

C

`agtb, bltc`

D

`altb, bltc`

Text Solution

Verified by Experts

The correct Answer is:
a
`v_(gamma-"rays")gtv_("x-rays")gtv_("UV-rays")`
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC WAVES AND COMMUNICATION SYSTEM

    A2Z|Exercise Communication System|61 Videos

  • ELECTROMAGNETIC WAVES AND COMMUNICATION SYSTEM

    A2Z|Exercise Problems Based On Mixed Concepts|39 Videos

  • ELECTROMAGNETIC INDUCTION

    A2Z|Exercise Section D - Chapter End Test|30 Videos

  • GEOMETRICAL OPTICS

    A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

The frequency of x-rays, Y-rays and ultraviolet rays are respectively a, b and c Then

The frequencies of x-rays, gamma rays and ultra-violet rays are respectively f_(1),f_(2),f_(3) then correct inequilities are

In electromagnetic spectrum , the frequencies of alpha - rays , X - rays and ultraviolet rays are denoted by n_(1) , n_(2) and n_(3) respectively then

In electromagnetic spectrum, the frequencies of gamma -rays and X- rays and ultraviolet rays are denoted by n_(1),n_(2) and n_(3) respectively, then

The frequency of X -rays, , Gamma rays and visible light wave rays are a, b and c respectively , then

A2Z-ELECTROMAGNETIC WAVES AND COMMUNICATION SYSTEM -Section D - Chapter End Test
  1. The frequencies of X-rays, gamma-rays and ultraviolet rays are respect...

    Text Solution

    |

  2. The frequency of a FM transmitter without signal input is called

    Text Solution

    |

  3. Indicate which one of the following system is digital

    Text Solution

    |

  4. In a communication system, noise is most likely to affect the signal

    Text Solution

    |

  5. An amplitude modulated wave is modulated to 50%. What is the saving in...

    Text Solution

    |

  6. The audio signal used to modulate 60 sin (2pixx10^(6)t) is 15 sin 300 ...

    Text Solution

    |

  7. The total power content of an AM wave is 900 W. For 100% modulation, t...

    Text Solution

    |

  8. In a diode AM- detector, the output circuit consist of R=1 k Omega and...

    Text Solution

    |

  9. Mean optical power launched into an 8 km fibre is 120 muW and mean out...

    Text Solution

    |

  10. A sky wave with a frequency 55 MHz is incident on D-region of earth's ...

    Text Solution

    |

  11. The electromagnetic wave of frequency 2 MHz to 30 MHz are

    Text Solution

    |

  12. Laser light is considered to be coherent because it consists of

    Text Solution

    |

  13. The phenomenon by which light travels in an optical fibres is

    Text Solution

    |

  14. The electron dencity of E, F(1),F(2) layers of ionosphere is 2xx10^(11...

    Text Solution

    |

  15. The impedance of coaxial cable, when its inductance is 0.40 mu H and c...

    Text Solution

    |

  16. Consider telecommunication through optical fibres. Which of the follow...

    Text Solution

    |

  17. Which of the following statement is wrong?

    Text Solution

    |

  18. Pick out the longest wavelength from the following types of radiation

    Text Solution

    |

  19. Wave which cannot travel in vacumm is

    Text Solution

    |

  20. In an electromagnetic wave, the electric and magnetizing field are 100...

    Text Solution

    |

  21. The 21 cm radio wave emitted by hydrogen in interstellar space is due ...

    Text Solution

    |