Home
Class 12
PHYSICS
In a stationary wave that forms as a res...

In a stationary wave that forms as a result of reflection of wave from an obstacle, the ratio of this amplitude at an antinode to the amplitude at node is n. The fraction of energy reflected is

A

`[(X-1)X]^(2)`

B

`[X//(X+1)]^(2)`

C

`[(X-1)//(X+1)]^(2)`

D

`[1//X]^(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • STATIONARY WAVES

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|123 Videos

  • SEMICONDUCTORS

    TARGET PUBLICATION|Exercise Evaluation Test|17 Videos

  • SURFACE TENSION

    TARGET PUBLICATION|Exercise EVALUATION TEST|21 Videos

Similar Questions

Explore conceptually related problems

In a stationary wave that forms as a result of reflection of wave from an obstacle, the ratio of this amplitude at an antinode to the amplitude at anode is n. The friction of energy reflected is

In a stationary wave that forms as a result of reflection of waves from an obstacle, the ratio of the amplitude at an antinode to the amplitude at node is 6. What percentage of energy is transmitted?

In a stationary wave pattern that forms as a result of reflection pf waves from an obstacle the ratio of the amplitude at an antinode and a node is beta = 1.5. What percentage of the energy passes across the obstacle ?

In a stationary waves, the amplitude of vibrating paticles

The amplitude of a stationary waves is

The equation of a wave is y=A sin (2pint) When it is reflected at a free end its amplitude becomes 90% The equation of the reflected wave is

Stationary waves are produced in a length of wire fixed between two points . Compare the amplitudes at an antinode for the fundamental and the first overtone . Assume that the total energy of the initial waves is , on an average , equally divided between the two modes.

The reflected waves from on ionsphere are ………..

TARGET PUBLICATION-STATIONARY WAVES-EVALUATION TEST
  1. Assertion: If two tuning forks are sonuded together, they produce 5 be...

    Text Solution

    |

  2. An open organ pipe of length L vibrates in its fundamental mode. The p...

    Text Solution

    |

  3. In an organ pipe whose one end is at x =0, the presence is expressed b...

    Text Solution

    |

  4. A standing wave is maintained in a homogeneous string of corss-section...

    Text Solution

    |

  5. In a stationary wave that forms as a result of reflection of wave from...

    Text Solution

    |

  6. The funduamental frequency of a sonometer wire of length l is n(0). A ...

    Text Solution

    |

  7. A pipe open at the top end is held vertically with some of its lower p...

    Text Solution

    |

  8. Assertion: The length of the glass tube in air column resonating exper...

    Text Solution

    |

  9. A wave represented by the equation y=acos(kx-omegat) is superposed wit...

    Text Solution

    |

  10. A second harmonic has to be generated in a string of length l stretche...

    Text Solution

    |

  11. Waves of frequency 1000 Hz are produced in a Kundt's tube . The total ...

    Text Solution

    |

  12. A uniform string fixed at both ends vibrates in a resonant mode with a...

    Text Solution

    |

  13. A taut string at both ends viberates in its n^(th) overtone. The dista...

    Text Solution

    |

  14. A compsits wire fixed at both ends consists of two uniform parts havin...

    Text Solution

    |

  15. Assertion : Two points in adjacent loops of a string wave in the case ...

    Text Solution

    |

  16. A wire of identical length and cross-section is used for fixed vibrati...

    Text Solution

    |