Home
Class 11
PHYSICS
An observer is moving with half the ...

An observer is moving with half the speed of light towards a stationary microwave source emitting waves at frequency 10GHz. What is the frequency of the microwave measured by the observer ? ( speed of light `= 3xx10 ^(8) m.s^(-1)`)

A

`10.1GHz`

B

`12.1GHz`

C

`17.3GHz`

D

`15.3GHz`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPERS OF NEET -2017

    CHHAYA PUBLICATION|Exercise QUESTION|32 Videos

  • QUESTION PAPERS OF JEE MAIN -2018

    CHHAYA PUBLICATION|Exercise QUESTION|24 Videos

Similar Questions

Explore conceptually related problems

An observer is moving with half the speed of light towards a stationary microwave source emitting waves at frequency 10 GHz. What is the frequency of the microwave measured by the observer? (speed of light = 3xx 10^(8) m cdot s^(-1) )

A stationary wave having 5 loops is generated in a 10 m long wire . What is the frequency, if the wave velocity is 20 m * s^(-1) ?

A car is moving with a speed of 72 "km-hour"^(-1) towards a roadside source that emits sound at a frequency of 850 Hz. The car driver listens to the sound while approaching the source and again while moving away from the source after crossing it. If the velocity of sound is 340 ms^(-1) , the difference of the two frequencies, the driver hears is

CHHAYA PUBLICATION-QUESTION PAPERS OF JEE MAIN -2017-QUESTION
  1. A body of mass m= 10 ^(-2) Kg is moving in a medium and expe...

    Text Solution

    |

  2. A time dependent force F= 6t acts on a particle of mass 1 Kg ....

    Text Solution

    |

  3. The moment of inertia of a uniform cylinder of length l and rad...

    Text Solution

    |

  4. The variation of acceleration due to gravity g with distance ...

    Text Solution

    |

  5. A copper ball of mass 100 g is at a temperature T . It is drop...

    Text Solution

    |

  6. An external pressure P is applied on a cube at 0 ^(@) C so t...

    Text Solution

    |

  7. C (p) and C(V) are specific heats at constant pressure and cons...

    Text Solution

    |

  8. The temperature of an open room of volume 30 m^(3) increases ...

    Text Solution

    |

  9. A particle is executing simple harmonic motion with a time per...

    Text Solution

    |

  10. An observer is moving with half the speed of light towards a st...

    Text Solution

    |

  11. An electric sipole has a fixed dipole moment vecp , which mak...

    Text Solution

    |

  12. A capacitance of 2.0 mu F is required in an electrical circult ...

    Text Solution

    |

  13. In the given circult diagram when the current reaches steady sta...

    Text Solution

    |

  14. A magnetic needle of magnetic moment 6.7xx10 ^(-2) A.m ^(2) and ...

    Text Solution

    |

  15. when a current of 5 mA is passed through agalvanometer having a ...

    Text Solution

    |

  16. An electron beam is acceleration by a potential difference V to...

    Text Solution

    |

  17. In a young's double slit experiment slits are separated by 0.5 ...

    Text Solution

    |

  18. A radioactive nucleous A with a half - life T , decays into a ...

    Text Solution

    |

  19. Which of the following statements is false ?

    Text Solution

    |

  20. The following observations were taken for determining surface t...

    Text Solution

    |