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Physics Test-18...

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  • Question 1
    4 / -1

    Which of the following option is incorrect regarding insulator?

  • Question 2
    4 / -1

    A book of mass 10 kg is lying at the front desk of a classroom. coefficient of static friction is 0.5. A force of 40 N is applied to the book. The book will:

  • Question 3
    4 / -1

    A lamp consumes \(1000\)Jof electrical energy in \(10\)s. What is its power?

  • Question 4
    4 / -1

    A satellite orbits the earth in a circle of radius 8000 km. At that distance from the earth, the velocity of the satellite is (g = 9.8 m/s2)

  • Question 5
    4 / -1

    The phenomenon of interference is shown by:

  • Question 6
    4 / -1

    Moment of inertia of a uniform circular disc about diameter is I. Its moment of inertia about an axis perpendicular to its plane and passing through a point on its rim will be:

  • Question 7
    4 / -1

    When an electric current is passed through a conducting solution, there is a change of colour of the solution. This indicates:

  • Question 8
    4 / -1

    When a bus negotiates a curve, the normal force on the inner and outer wheels are \({N}_{1}\) and \({N}_{2}\) respectively. Then, \(\frac{N_{1}}{N_{2}}\) is:

  • Question 9
    4 / -1

    The propagation of electromagnetic waves is along the direction of:

  • Question 10
    4 / -1

    The electrostatic force between charges of \(200 \mu C\) and \(500 \mu C\) placed in free space is \(5 gf\). Find the distance between the two charges. Take \(g=10 m s^{-2}\).

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