Home
Class 12
PHYSICS
What is the cause of "Green house effect...

What is the cause of "Green house effect"?
(a) Infrared rays (b) Ultraviolet rays (c) X-rays (d) Radio-waves

A

Ultraviolet rays

B

Infrared rays

C

X-rays

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Infrared radiations are reflected by lower clouds and keeps the earth warm. Hence shows green house effect.
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC WAVES

    DC PANDEY ENGLISH|Exercise Sec B|5 Videos

  • ELECTROMAGNETIC WAVES

    DC PANDEY ENGLISH|Exercise Match the columns|2 Videos

  • ELECTROMAGNETIC WAVES

    DC PANDEY ENGLISH|Exercise Check point 8.2|15 Videos

  • ELECTROMAGNETIC INDUCTION

    DC PANDEY ENGLISH|Exercise Medical entrances gallery|25 Videos

  • ELECTROSTATIC POTENTIAL AND CAPACITORS

    DC PANDEY ENGLISH|Exercise (C) Chapter exercises|50 Videos

Similar Questions

Explore conceptually related problems

State the cause of increase of green house effect.

X-rays are

What is the nature of charge on (i) cathode rays (ii) anode rays?

Give two uses each of a) infra red rays b) micro wave c) radio waves.

can X-rays be used for photoelectric effect?

State one harmful effect each of the (a) ultraviolet and (b) infrared radiations

The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma rays is

Electromagnetic waves used as a diagnostic tool in medicine are (A) X-rays (B) ultraviolet rays (C) infrared radiation (D) ultrasonic waves

(a) Arrange the following radiations in the order of their increasing wavelength: X-rays, infrared rays, radio waves, gamma rays, and micro waves. (b) Name the radiation which is used for satellite communication

Which is the correct order of wave number of the following radiations: infrared, ultraviolet, X-rays and visible light?

DC PANDEY ENGLISH-ELECTROMAGNETIC WAVES-Sec A
  1. The frequency 1057 MHz of radiation arising from two close energy leve...

    Text Solution

    |

  2. The part of the spectrum of the electromagnetic radiation used to cook...

    Text Solution

    |

  3. What is the cause of "Green house effect"? (a) Infrared rays (b) Ultr...

    Text Solution

    |

  4. Which force in nature exits everywhere?

    Text Solution

    |

  5. Why are microwaves considered suitable for radar system used in aircra...

    Text Solution

    |

  6. In an electromanetic wave, the average energy density associated with ...

    Text Solution

    |

  7. In an electromagnetic wave, the average energy density associated with...

    Text Solution

    |

  8. Total energy of density of electromagnetic waves in vacuum is given by...

    Text Solution

    |

  9. In a plane electromagnetic wave, the electric field oscillates sinusoi...

    Text Solution

    |

  10. Consider the following statement regarding a beam of LASER. (I) It i...

    Text Solution

    |

  11. The velocity of electromagnetic radiation in a medium of permittivity ...

    Text Solution

    |

  12. The speed of electromagnetic wave in vacuum depends upon the source of...

    Text Solution

    |

  13. The velocity of electromagnetic waves in free space can be given by re...

    Text Solution

    |

  14. Which one of the following is the property of a monochromatic, plane e...

    Text Solution

    |

  15. Which physical quantiy is same for x-rays and gamma -rays in vacum ?

    Text Solution

    |

  16. An EM radiates outwards from a dipole antenna, with E(0) as the amplit...

    Text Solution

    |

  17. The sum delilvers 10^(4) W//m^(2) of electromagnetic flux to earth's s...

    Text Solution

    |

  18. If E and B represent electric and magnetic field vectors of the electr...

    Text Solution

    |

  19. IF E(0) and mu(0) are respectively the electric permittivity and magne...

    Text Solution

    |

  20. Which is the correct expression of velocity of light?

    Text Solution

    |