JEE Main 2019 Physics Practice Questions
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Questions and Answers

In the given problem, what is the equation for the path of the moving particle?

  • y = x + constant
  • y2 = x + constant (correct)
  • y = x2 + constant
  • xy = constant

    • What is the close ratio of the root mean square (rms) speeds of helium gas to argon gas at 300 K?

  • 3.16
  • 0.32
  • 2.24 (correct)
  • 0.45

    • In the current loop shown in the figure, what is the approximate magnetic field at point O?

  • 1.0 × 10–5 T
  • 1.0 × 10–7 T
  • 1.5 × 10–7 T (correct)
  • 1.5 × 10–5 T

    • What kind of surface does the block of mass m lie on?

    <p>Smooth vertical surface</p> Signup and view all the answers

    What is the atomic mass of argon gas?

    <p>40 u</p> Signup and view all the answers

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