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Physics Test - ...

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  • Question 1
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  • Question 2
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    If the position of the resultant of two like parallel forces P and Q is unaltered, when the positions of P and Q are interchanged, then

  • Question 3
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  • Question 4
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  • Question 5
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    The condition for a uniform spherical mass 'm' of radius 'r', to be a black hole is ______________.

    [G = gravitational constant and g = acceleration due to gravity]

  • Question 6
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    A mass of 2 kg is whirled in a horizontal circle by means of a string at an initial speed of 5 revolutions per minute. Keeping the radius constant the tension in the string is doubled. The new speed is nearly

  • Question 7
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    An AND gate has four inputs A, B, C, D. The input that produces an output 1 is

  • Question 8
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    In a transistor circuit, the collector current is 50 mA and the base current is 1 mA. The current gain α is

  • Question 9
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    Weight of a body of mass decreases by 1% when it is raised to height 'h' above Earth's surface. If the body is taken to a depth 'h' in a mine, the change in its weight is

  • Question 10
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