Home
Class 12
PHYSICS
If the interatomic spacing in a steel wi...

If the interatomic spacing in a steel wire is `2.8xx10^(-10)m`. And `Y_("steel")=2xx10^(11)N//m^(2)`,then force constant in N//m is

A

5.6

B

56

C

0.56

D

560

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELASTICITY

    MOTION|Exercise EXERCISE -2|25 Videos

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE -4 (Level -II)|25 Videos

  • ELASTICITY AND THERMAL EXPANSION

    MOTION|Exercise Exercise - 4 (Level-II)|11 Videos

Similar Questions

Explore conceptually related problems

If the interatomic spacing in a steel wire is 3.0 Å and Y_(steel)=20xx10^(10)N//m^(2) then force constant is

An aluminium wire and a steel wire of the same length and cross section are joined end to end. The composite wire is hung from a rigid support and the load is suspended at the free end. If Y_(AL) = 7xx10^(10) N//m^(2) and Y_("steel") = 7xx10^(11) N//m^(2) , the ratio of elongation of aluminium and steel wires is

A steel wire of length 7 m and cross section 1 mm^(2) I suspended from a rigid support, with a steel weight of volume 10^(3) cm^(3) hanging from its other end. Find the decrease in the length of the wire when the steel weight is completely immersed in water. Y_("steel") = 2xx 10^(11) N//m^(2) density of water = 10^(3) kg//m^(3) ]

If young's modulus of iron be 2xx10^(11) Nm^(-2) and interatomic distance be 3xx10^(-10) m^(-2) , the intertomic force constant will be (in N//m )

The interatomic distance for a metal is 3 xx 10^(-10) m. If the interatomic force constant is 3.6 xx 10^(-9) N//Å . The the Young's modulus in N//m^(2) will be

The area of a cross-section of steel wire is 0.1 cm^(-2) and Young's modulus of steel is 2 x 10^(11) N m^(-2) . The force required to stretch by 0.1% of its length is

A wire of length 1m is stretched by a force of 10N. The area of cross-section of the wire is 2 × 10^(–6) m^(2) and Y is 2 xx 10^(11) N//m^(2) . Increase in length of the wire will be -

A rigid bar of mass 15 kg is supported symmetrically by three wires, each of length 2 m. The wires at the endpoints are made of copper and the middle one is made of steel. If the tension in each wire is the same, then the diameter of copper wire to the diameter of steel wire is ["Given, "Y_("copper")=1.1xx10^(11)"N m"^(-2) and Y_("steel")=1.9xx10^(11)"N m"^(-2)]

A steel wire 4.0m in length is stretched through 2.0mm .The cross -sectional area of the wire is 2.0 mm^(2) .If young's modulus of steel is 2.0xx10^(11) N//m^(2) (a) the enrgy density of wire, (b) the elastic potential energy stored in the wire.

MOTION-ELASTICITY-EXERCISE -3
  1. A wire of length L and radius r is fixed at one end. When a stretching...

    Text Solution

    |

  2. How much force is required to produce an increase of 0.2 % in the leng...

    Text Solution

    |

  3. If the interatomic spacing in a steel wire is 2.8xx10^(-10)m. And Y("s...

    Text Solution

    |

  4. The load versus elongation graph for four wires of the same material a...

    Text Solution

    |

  5. The mean distance between the atoms of iron is 3xx10^(-10) m and inter...

    Text Solution

    |

  6. The area of cross section of a steel wire (Y=2.0 xx 10^(11) N//m^(2)) ...

    Text Solution

    |

  7. For a given material the Young's modulus is 2.4 times that of its ri...

    Text Solution

    |

  8. The diameter of a brass rod is 4 mm and Young's modulus of brass is 9 ...

    Text Solution

    |

  9. The poisson's ratio cannot have the value

    Text Solution

    |

  10. There is no change in the volume of a wire due to change in its length...

    Text Solution

    |

  11. Two wires of the same length and material but different radii r(1) and...

    Text Solution

    |

  12. An increases in pressure required to decreases the 200 litres volume o...

    Text Solution

    |

  13. A wire 3m long and having cross - sectional area of 0.42m^(2) is found...

    Text Solution

    |

  14. Two wires are made of the same material and have the same volume. Howe...

    Text Solution

    |

  15. A wire suspended vertically from one of the its ends is stretched by a...

    Text Solution

    |

  16. A wire fixed at the upper end stretches by length l by applying a forc...

    Text Solution

    |

  17. If 'S' is stress and 'Y' is young's modulus of material of a wire, the...

    Text Solution

    |

  18. A wire elongates by l mm when a load W is hanged from it. If the wire ...

    Text Solution

    |

  19. Two wires are made of the same material and have the same volume. Howe...

    Text Solution

    |

  20. A metal rod of Young's modulas Y and coefficient of thermal expansion ...

    Text Solution

    |