Home
Class 12
PHYSICS
What is an antenna? Find the length of a...

What is an antenna? Find the length of a dipole antenna for a carrier wave of frequency `3xx10^8`Hz

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2017

    UNITED BOOK HOUSE|Exercise EXERCISE|68 Videos

  • QUESTION PAPER 2019

    UNITED BOOK HOUSE|Exercise EXAMPLE |70 Videos

Similar Questions

Explore conceptually related problems

What is an antenna? Find the length of a dipole antenna for a carrier wave of frequency 3xx 10^(8) Hz.

The length of a dipole antenna for the carrier wave of frequency 3 xx 10^8 Hz will be—

What is wavelength (in metre) of radio wave of frequency 1.5xx10^8 Hz ?

To which part of the electromagnetic spectrum does a wave of frequency 3xx10^13 Hz belong?

Find the wavelength, in angstrom unit, of electromagnetic waves of frequency 5 xx 10^19 Hz in free space.

Equation of a FM wave: v = 18 sin [ (1.256 xx 10^(8))t + 0.2 sin (6280)t] Find out the voltage amplitude and frequency of the carrier wave, frequency of the data signal and modulation index.

A 20cm long closed pipe emits a tone of frequency 400 Hz . Find out the length of an open pipe emitting a tone of frequency 600 Hz at the same time.

Equation of an AM wave: V = 10(1 + 0.05 sin 5000t) sin (6.28 xx 10^(6)) t volt Find the voltage amplitude and frequency of the carrier wave, frequency of the data signal and the modulation index.

UNITED BOOK HOUSE-QUESTION PAPER 2018-EXAMPLE
  1. Draw the curve showing the variation of binding energy per nucleon as ...

    Text Solution

    |

  2. The radius of nucleus: R=R0A^(1/3) (R0=constant, A=mass No.). Taking t...

    Text Solution

    |

  3. What is an antenna? Find the length of a dipole antenna for a carrier ...

    Text Solution

    |

  4. Show that electric field intenstity on the surface of a charged conduc...

    Text Solution

    |

  5. Why are electric lines of force not closed loop?

    Text Solution

    |

  6. The electric potential at a point (x,y,z) is given by V=-x^2y-xz^3+4. ...

    Text Solution

    |

  7. Show that electric field intensity is normal to equipotential surface.

    Text Solution

    |

  8. What will be the charge on the capacitor in the circuit given below?

    Text Solution

    |

  9. Find the energy stored in the capacitor.

    Text Solution

    |

  10. Find out the expression for the magnetic field at a point on the axis ...

    Text Solution

    |

  11. Two long parallel straight wires P& Q separated by a distance 5 cm in ...

    Text Solution

    |

  12. Explain total internal reflection from law of refraction.

    Text Solution

    |

  13. A ray of lilght is incident at a small angle theta on a rectangular gl...

    Text Solution

    |

  14. Two lenses, one convex and the other concave are kept in contact. The ...

    Text Solution

    |

  15. Explain the cause of dispersion of light.

    Text Solution

    |

  16. What is understood by diffraction of light? In a single slit experimen...

    Text Solution

    |

  17. An unpolarised light is incident at angle of polarisation on a reflec...

    Text Solution

    |

  18. Why are polaroids used in sunglasses?

    Text Solution

    |

  19. A Person who can see objects clearly at a distance of 10cm, required s...

    Text Solution

    |

  20. Draw the curve showing the variation of de-Brogli wavelength of a part...

    Text Solution

    |