Home
Class 12
PHYSICS
Why are microwave used in Radar?...

Why are microwave used in Radar?

Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    R G PUBLICATION|Exercise EXERCISE|84 Videos
  • ELECTRONIC DEVICES

    R G PUBLICATION|Exercise EXERCISE|119 Videos

Similar Questions

Explore conceptually related problems

What are microwaves?

Why are microwaves used in RADAR system?

Why are shockers used in automobiles?

Why is convex mirror used as a rearview mirror in vehicles?

How does a microwave oven work?

R G PUBLICATION-ELECTROMAGNETIC WAVES-EXERCISE
  1. What are radio wave? How they propagate?

    Text Solution

    |

  2. Name the different layer of earth's atmosphere.

    Text Solution

    |

  3. Why are microwave used in Radar?

    Text Solution

    |

  4. Which has highest wave length, r-rays, x-ray and micro wave?

    Text Solution

    |

  5. What is the frequency range of the visible portion of the electromagne...

    Text Solution

    |

  6. Arrange the following radiation in descending order of wave length: x-...

    Text Solution

    |

  7. Write down Maxwell's equations for steady electric field.

    Text Solution

    |

  8. What modification was made by Maxwell in Amper's circuital law.

    Text Solution

    |

  9. For long distance radio broadeast, we use short wave only. Why?

    Text Solution

    |

  10. State two properties of e.m wave.

    Text Solution

    |

  11. What oscillates in electro magnetic wave.

    Text Solution

    |

  12. Why sky wave are not used in television signals.

    Text Solution

    |

  13. Give the ratio of velocities of light rays of wave length 4000 overset...

    Text Solution

    |

  14. Draw a diagram for a linearly polarised electromagnetic wave, propagat...

    Text Solution

    |

  15. A plane electromagnetic wave of frequency 10MH tranvells in free space...

    Text Solution

    |

  16. What are radio wave? How they propagate?

    Text Solution

    |

  17. What is infrared waves?

    Text Solution

    |

  18. Write about X-rays and how they are used as a dignostic tool in medici...

    Text Solution

    |

  19. The magnetic field in a plane electromagnetic wave is given by By = 3x...

    Text Solution

    |

  20. Why are microwave used in Radar?

    Text Solution

    |