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Physics Test - ...

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  • Question 1
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    Which of the following gates serve as building blocks in digital circuits?

  • Question 2
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    The period of oscillation of a simple pendulum is \({T}=2 \pi \sqrt{\frac{{L}}{{g}}} \) Measured value of \({L}\) is \(10\) cm known to \(1\) mm accuracy and time for \(100\) oscillations of the pendulum is found to be \(50\) s using a wristwatch of \(1\) s resolution. What is the accuracy in the determination of g?

  • Question 3
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    A scooter of mass \(120\) kg is moving with a uniform velocity of \(108\) km/h. The force required to stop the vehicle in \(10\) sec:

  • Question 4
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    A photon of energy \(h \nu\) is absorbed by a free electron of a metal having work function \(\phi

  • Question 5
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    A planet is revolving around the sun in an elliptical orbit. Which of the following remains constant?

  • Question 6
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    The process in which an electron escapes from the metal surface is called:

  • Question 7
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    A wheel is rotating at the rate of \(33\) revolution/min. if it comes to a stop in \(20\) seconds. Then the angular retardation will be

  • Question 8
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    Five identical charges \({R}\) are placed equidistant on a semicircle as shown in the figure. Another point charge \(q\) is kept at the center of the circle of radius \({R}\). Calculate the electrostatic force experienced by the charge \(q\).

  • Question 9
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    The increase in the width of the depletion region in a p-n junction diode is due to

  • Question 10
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    Which of the following options is correctly depicting the formula of power?

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