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Physics Test-6...

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  • Question 1
    4 / -1

    For the given uniform square lamina \(A B C D,\) whose center is \(O\),

  • Question 2
    4 / -1

    If a body is rotating about an axis, passing through its centre of mass then its angular momentum is directed along its:

  • Question 3
    4 / -1

    A gas is compressed to half of its initial volume isothermally. The same gas is compressed again until the volume reduces to half through an adiabatic process. Then:

  • Question 4
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    A wristwatch works on the basis of energy possessed by:

  • Question 5
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    The gravitational force between two stones of mass \(1\) \(kg\) each separated by a distance of \(1\) meter in a vacuum is:

  • Question 6
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    The relative density of mercury is \(13.6 .\) Its density in \(S.I.\) unit is given as \(X \times 10^{3} {kgm}^{-3} .\) Find \({X}\)?

  • Question 7
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    The value of Coulomb's constant is ______ \({Nm}^{2} / {C}^{2}\).

  • Question 8
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    A coating of _______ is deposited on iron to protect it from corrosion and formation of rust.

  • Question 9
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    In a plane electromagnetic wave, the electric field of amplitude \(1 \mathrm{~V} \mathrm{~m}^{-1}\) varies with time in free space. The average energy density of magnetic field is (in \(\mathrm{Jm}^{-2}\) )

  • Question 10
    4 / -1

    The number of minority carriers crossing the junction of a diode depends primarily on the :

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