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Radioactivity is the property by virtue ...

Radioactivity is the property by virtue of which................without being forced by............. .

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The correct Answer is:
a heavy element decays ; any external agent to do so.
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Knowledge Check

  • Radioactivity is a property of

    A
    Atomic nuclei
    B
    Atomic nuclei
    C
    X-rays
    D
    Ultraviolet light

  • Viscosity is the property by virtue of which a liquid.

    A
    occupies minimum surface area
    B
    offers resistance for the relative motion between its layers.
    C
    becomes spherical in shape.
    D
    tends to gain its deformed position.

  • Viscosity is the property of liquids by virtue of which they :

    A
    oppose the relative motion of its parts.
    B
    push neighbouring molecules
    C
    attract other molecules
    D
    become conducting

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    Assertion : Inertia is the property by virtue of which the body is unable to change by itself the state of rest only. Reason : The bodies do not change their state unless acted upon by an unbalanced external force.

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