Home
Class 12
PHYSICS
A signal of 100 THz frequency can be tra...

A signal of 100 THz frequency can be transmitted with maximum efficiency by :

A

Coaxial cable

B

Optical fibre

C

Twisted pair of copper wires

D

Water

Text Solution

Verified by Experts

The correct Answer is:
B

Such a large frequency signals (100THZ) can be transmitted by optical fibre.
Promotional Banner

Topper's Solved these Questions

  • JEE MAINS 2022

    JEE MAINS PREVIOUS YEAR|Exercise PART : PHYSICS |30 Videos
  • JEE MAINS 2022

    JEE MAINS PREVIOUS YEAR|Exercise PHYSICS (SECTION -A)|20 Videos
  • JEE MAINS 2022

    JEE MAINS PREVIOUS YEAR|Exercise Physics-Section B|10 Videos
  • JEE MAINS 2021

    JEE MAINS PREVIOUS YEAR|Exercise Physics (Section B )|10 Videos
  • JEE MAINS 2023 JAN ACTUAL PAPER

    JEE MAINS PREVIOUS YEAR|Exercise Question|360 Videos

Similar Questions

Explore conceptually related problems

An audio signal of 15 kHz frequency cannot be transmitted over long distance without modulation because.

An audio signal of frequency v_a is to be transmitted as an electormagnetic wave (i) directly as such (ii) through its use as modulating signal on a carrier wave of frequency v_c . State the ratio of the size of antenna that can properly sense the time variation of the signal.

Audio signal cannot be transmitted because

STATEMENT 1 : The audio frequency signals (20 Hz to 20 kHz) cannot be transmitted without distortion over long distances STATEMENT-2: Noise has its greatest effect when the signal is weak

Statement-1: A message signal of frequency 1 KHz modulate with carrier signal of frequency 1 MHz bandwidth of modulated signal is 2KHz Statement-2: Maximum and minimum frequency of the modulated signal are 1002 KHz and 998 KHz respectively

A signal of 5 kHz frequency is amplitade modulated on a carrue wave of frequency 2MHz . The frequency of the resulant signal is //are

If a message signal of frequency ' f_(m) ' is amplitude modulated with a carrier signal of frequency ' f_(c) ' and radiated through an antenna, the wavelength of the corresponding signal in air is :

A radar operates at a wavelength lambda = 50.0 cm . Find the velocity of an approaching aircraff if the beat frequency between the transmitted signal and the signal reflected form the aircraft is equal to Deltav = 1.00 kHz at the radar location.

The modulation index of an FM signal is 1.5. The modulating frequency is 5 KHz. What is the maximum frequency deviation ?

JEE MAINS PREVIOUS YEAR-JEE MAINS 2022-PHYSICS
  1. The ratio of speed of electron in the 3rd orbit of He^+ion to the spee...

    Text Solution

    |

  2. Why are photodiodes used preferably in reverse bias condition?

    Text Solution

    |

  3. A signal of 100 THz frequency can be transmitted with maximum efficien...

    Text Solution

    |

  4. The difference of speed of light in the two media A and B (va-vb) is 2...

    Text Solution

    |

  5. A teacher in his physics laboratory allotted an experiment to determin...

    Text Solution

    |

  6. A uniform chain of 6 m length is placed on a table such that a part of...

    Text Solution

    |

  7. A 0.5 kg block moving at a speed of 12 ms^( -1) compresses a spring th...

    Text Solution

    |

  8. The velocity of upper layer of water in a river is 36 kmh^( -1). Shear...

    Text Solution

    |

  9. A steam engine intakes 50 g of steam at 100°C per minute and cools it ...

    Text Solution

    |

  10. The fundamental frequency in an open organ pipe is equal to the third ...

    Text Solution

    |

  11. The equivalent capacitance between points A and B in below shown figur...

    Text Solution

    |

  12. A resistor develops 300 J of thermal energy in 15 s, when a current of...

    Text Solution

    |

  13. The total current supplied to the circuit as shown in figure by the 5 ...

    Text Solution

    |

  14. The current in a coil self inductance 2.0 H is increasing according to...

    Text Solution

    |

  15. A force on an object of mass 100 g is (10hati+5hatj)N. The position of...

    Text Solution

    |

  16. Velocity (v) and acceleration (a) in two systems of units 1 and 2 are ...

    Text Solution

    |

  17. A ball is spun with angular acceleration alpha=6t^(2)-2t where t is in...

    Text Solution

    |

  18. A block of mass 2 kg moving on a horizontal surface with speed of 4ms^...

    Text Solution

    |

  19. Asqrt(34) m long ladder weighing 10 kg leans on a frictionless wall. I...

    Text Solution

    |

  20. Water falls from a 40 m high dam at the rate of 9xx10^(4)kg per hour. ...

    Text Solution

    |