Home
Class 12
PHYSICS
A thick rope of rubber of density 1.5 kg...

A thick rope of rubber of density `1.5 kg//m^(3)` and `Y = 5 xx 10^(6) Nm^(-2)` 8 metres in length when hung vertically will increase in length by : `(g = 10 ms^(-2))`

A

`9.6xx10^(-5)m`

B

`9.6 m`

C

`19.2xx10^(-3)m`

D

`19.2xx10^(-5)m`.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST-1

    MODERN PUBLICATION|Exercise MCQs|47 Videos

  • MOCK TEST-3

    MODERN PUBLICATION|Exercise MCQs|49 Videos

Similar Questions

Explore conceptually related problems

The r.m.s. velocity of molecules of a gas of density 4kg //m^(3) and pressure 1.2 xx 10^(5) N//m^(2) is

A piece of iron of density 7.8 xx 10^(3) kgm^(-3) and volume 10^(-4) m^(3) is fully immersed in water. Calculate (i) weight of the iron piece in air (ii) upthrust of water on the iron piece (iii) apparent weight of the iron piece in water. Given g=10ms^(-2)

Calculate the increase in energy of a gold bar of length 0.15m, and area of cross section 15xx10^(-4)m^(2) when compressed with a load of 10 kg weight along its length. Given Y=71xx10^(9)Nm^(-) and g=9.8ms^(-2)

MODERN PUBLICATION-MOCK TEST-2-MCQs
  1. The angle between two vectors vecA=vecB is theta. The resultant of vec...

    Text Solution

    |

  2. A Frame of reference attached to a satellite orbiting around earth can...

    Text Solution

    |

  3. A ball is dropped from height of Im. If coefficient of restituion betw...

    Text Solution

    |

  4. A weight lies on a rough horizontal surface. It is found that a force ...

    Text Solution

    |

  5. Minimum work done to shift a body of mass m from a circular orbit of 2...

    Text Solution

    |

  6. A thick rope of rubber of density 1.5 kg//m^(3) and Y = 5 xx 10^(6) Nm...

    Text Solution

    |

  7. A simple harmonic oscillator has an amplitude A and time period T, the...

    Text Solution

    |

  8. A road runs between two parallel rows of buildings. A motorist moving ...

    Text Solution

    |

  9. The P-V diagram for a cyclic process is a triangle ABC drawn in order....

    Text Solution

    |

  10. Two slabs A and B, each though similar, in all other respects, have di...

    Text Solution

    |

  11. A point particle of mass m is attached to one end of massless rigid no...

    Text Solution

    |

  12. A magnetic dipole is under the effect of two magnetic field inclined ...

    Text Solution

    |

  13. A convex mirror gives the image of an object 30 cm from it at the same...

    Text Solution

    |

  14. A Fresnel's biprism is used to form the interference fringes. The dis...

    Text Solution

    |

  15. An electromagnetic wave going through vacuum is described by E=E(0) s...

    Text Solution

    |

  16. If the frequency of incident light on a certain metal is 8.2xx10^(14)H...

    Text Solution

    |

  17. The Rydberg constant for hydrogen is 1.097 X 10^(7) ms^(-1). Calculate...

    Text Solution

    |

  18. Find the recoil speed of a hydrogen atom after it emits a photon in go...

    Text Solution

    |

  19. An n - type semiconductor has resistivity 0.1Omegam . The number of do...

    Text Solution

    |

  20. If V(r ) is the reflected voltage and V(i) the incident voltage of a t...

    Text Solution

    |