v20

A

`5 : 3`

B

`5 : 2`

C

`2 : 5`

D

`3 : 5`

Text Solution

Verified by Experts

The correct Answer is:
B
`n=(1)/(2lr)sqrt((T)/(rhopi))` As .n. is constant
`impliessqrt(T) prop lr sqrt(rho)impliessqrt((T_(1))/(T_(2)))=(l_(1))/(l_(2))xx(r_(1))/(r_(2))xxsqrt((rho_(1))/(rho_(2)))`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The volume of a given mass of gas at 273K is x ? The volume of it at 20^(0)C is V_(20) .Then its volume at 25^(0)C is (1) 25x (2) V_(20) +(25x)/(273) (3) V_(20) +(5x)/(273) (4) V_(20) X5x

If emf of battery is 100V , then what was the resistance of Rheostat adjusted at reading ( i=2A , V=20V )

Identify the Pythagorean triplets from the following: v. (20,21,29)

If V_(X)-V_(Y)=20V , find the value of C .

What is the ratio of powers delivered by 20 V dc and 20 V peak ac to the same load resistance?

In the formula v=u+at, if a=5m//s^(2),t=3 seconds and v=20m//s, then u=____.

Identify the highest common factor in the monomial expression (20)/(15)x,(28)/(55)v,-(20)/(10)

NARAYNA-WAVES-Exercise-I (C.W)
  1. Stationary waves are produced in 10 m long stretched string. If the st...

    Text Solution

    |

  2. The equation y=5sin((pix)/(25))cos(450t) represents the stationary wav...

    Text Solution

    |

  3. v20

    Text Solution

    |

  4. If the length of a stretched string is shortened by 40 % and the tensi...

    Text Solution

    |

  5. The fundamental frequency of a stretched string with a weight of 9kg i...

    Text Solution

    |

  6. in an experiment it was found that string vibrates in n loops when a m...

    Text Solution

    |

  7. Transverse waves are generated in two uniform wires A and B of the sam...

    Text Solution

    |

  8. A string is stretched between fixed points separated by 75.0cm. It is ...

    Text Solution

    |

  9. A sound wave with an amplitude of 3cm starts towards right from origin...

    Text Solution

    |

  10. Sound signal is sent through a composite tube as shown in the figure. ...

    Text Solution

    |

  11. Four simple harmonic vibrations y(1)=8 sin omega t, y(2)= 6 sin (ome...

    Text Solution

    |

  12. A wave pulse on a string has the dimension shown in figure. The w...

    Text Solution

    |

  13. The length of a sonometer wire is 90cm and the stationary wave setup i...

    Text Solution

    |

  14. A sonometer is set on the floor of a lift. When the lift is at rest, t...

    Text Solution

    |

  15. Standing wave produced in a metal rod of length 1m is represented by t...

    Text Solution

    |

  16. An addiditional bridge is kept below a sonometer wire so that it is di...

    Text Solution

    |

  17. A piano wire 0.5m long and mass 5gm is streteched by a tension of 400N...

    Text Solution

    |

  18. An iron load of 2Kg is suspended in the air from the free end of a son...

    Text Solution

    |

  19. The third overtone of a closed pipe is found to be in unison with the ...

    Text Solution

    |

  20. Two closed organ pipes of length 100 cm and 101 cm 16 beats is 20 sec....

    Text Solution

    |