Home
Class 12
PHYSICS
Why are microwaves considered suitable f...

Why are microwaves considered suitable for radar system used in aircraft navigation?

A

X-rays

B

Infrared rays

C

Ultraviolet rays

D

Microwaves

Text Solution

Verified by Experts

The correct Answer is:
D

`lambda_("radio waves") gt lambda_("IR rays") gt lambda_("UV rays"gt) lambda_("X-rays")`
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC WAVES

    DC PANDEY|Exercise Sec B|5 Videos
  • ELECTROMAGNETIC WAVES

    DC PANDEY|Exercise Match the columns|2 Videos
  • ELECTROMAGNETIC WAVES

    DC PANDEY|Exercise Check point 8.2|15 Videos
  • ELECTROMAGNETIC INDUCTION

    DC PANDEY|Exercise Medical entrances gallery|25 Videos
  • ELECTROSTATIC POTENTIAL AND CAPACITORS

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

Similar Questions

Explore conceptually related problems

Why are microwaves considered suitable for radar system used in aircraft nevigation?

Name the parts of the electromagnetic spectrum which is (a) suitable for radar system used in aircraft navigation (b) used to treat muscular strain. (c) Use as a diagnostic tool in medicine. Write in brief, how these waves can be produced.

Identify the part of the electromagnetic specturm which is (i) Suitable for radar systems used in aircraft nevigation (ii) Adjacent to the low frequency end of the electromagnetic spectrum (iii) produced in nuclear reaction (iv) produced by bombarding a metal target by high speed electrons.

Assertion (A): Microwaves are considered suitable for radar system. Reason (R): Microwaves are of shorter wavelength.

DC PANDEY-ELECTROMAGNETIC WAVES-Sec A
  1. What is the cause of "Green house effect"?

    Text Solution

    |

  2. Which force in nature exits everywhere?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  9. The velocity of electromagnetic radiatior in a medium of permittivity ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  13. The essential distinction between X - rays and gamma - rays is that

    Text Solution

    |

  14. An EM wave radiates out wards from a dipole antenna with E(0) as the a...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  17. If epsi(0) and mu(0) are respectively, the electric permittivity and t...

    Text Solution

    |

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

    Text Solution

    |

  19. Which of the following statement is false for the properties of electr...

    Text Solution

    |

  20. The average electric field of electromagnetic waves in certain region ...

    Text Solution

    |