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Which of the following is wrong regardin...

Which of the following is wrong regarding Searle's apparatus method in finding Young's modulus of a given wire?
(a) Average elongation of wire will be determined with a particular load while increasing the load and decreasing the load.
(b) Reference wire will be just taut and experimental wire will undergo foe elongation.
( c) Air bubble in the spirit level will be disturbed from the central position due to relative displacement between the wires due to elongation.
(d) Average elongation of the wires is to be determined by increasing the load attached to both the wires.

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • Which of the following apparatus is used to determine the Young's modulus of the material of a gives given wires?

    A
    Searle
    B
    sonometer
    C
    Metre bridge
    D
    Resonance tube

  • The load versus elongation graph for four wires is shown. The thinnest wire is

    A
    P
    B
    Q
    C
    R
    D
    S

  • To determine Young's modulus of the material of a wire,

    A
    two wires of same length and radius are taken
    B
    Single straight wire of uniform cross section is taken
    C
    three wires of different lengths but of same material are taken
    D
    two springs of same length but different materials are taken

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    A wire of length L and density rho and Young's modulus U is hanging from a support. Find elongation in the length of wire at which wire will break .

    Three wires A,B,C made of the same material and radius have different lengths. The graph in the figures show the elongation-load variation. The longest wire is

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