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Mechanical Prop...

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  • Question 1
    4 / -1

    If a spring is extended to length l, then according to Hooke\'s law

  • Question 2
    4 / -1

    Which of the following affects the elasticity of a substance?

  • Question 3
    4 / -1

    An iron rod of length 2 m and cross-section area of 50 mm2, stretched by 0.5 mm, when a mass of 250 kg is hung from its lower end. Young\'s modulus of the iron rod is

  • Question 4
    4 / -1

    In solids, inter-atomic forces are

  • Question 5
    4 / -1

    A load W produces an extension of 1 mm in a thread of radius r. Now, if the load is made 4W and radius is made 2r all other things remaining same, the extension will become

  • Question 6
    4 / -1

    The modulus of elasticity is dimensionally equivalent to

  • Question 7
    4 / -1

    Under elastic limit the stress is

  • Question 8
    4 / -1

    Young\'s modulus of the wire depends on

  • Question 9
    4 / -1

    A wire of length L is hanging from a fixed support. The length changes to L1 and L2 when masses M1 and M2 are suspended respectively from its free end. Then L is equal to

  • Question 10
    4 / -1

    Which of the following substances has the highest elasticity

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