Gas Laws and Kinetic Theory Quiz
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Questions and Answers

According to the given information, what is the average velocity of each molecule of any type of gas?

  • The average velocity is inversely proportional to the square root of the absolute temperature
  • The average velocity is proportional to the square root of the absolute temperature (correct)
  • The average velocity is independent of the absolute temperature
  • The average velocity is directly proportional to the absolute temperature
  • What is the average energy for one molecule per degree of freedom for a diatomic gas according to the given information?

  • $rac{3}{2}kT$ (correct)
  • $2 imes rac{3}{2}kT$
  • $2 imes rac{1}{2}kT$
  • $rac{1}{2}kT$
  • If a 20 g ball is dropped from a height of 5 m and collides elastically with a horizontal surface for 0.01 s, what is the impulse imparted to the ball?

  • 0.2 N-s (correct)
  • 50 N
  • 0.2 N
  • 0.4 N-s
  • A uniform rod of mass 6 kg is lying on a smooth horizontal surface. If the two ends of the rod are pulled by strings, what is the force exerted by the 40 cm part of the rod on the 10 cm part of the rod?

    <p>24 N</p> Signup and view all the answers

    A bullet of mass 10 g is fired horizontally with a velocity of 1000 m/s from a rifle situated at a height of 50 m above the ground. What is the force exerted by the surface on the bullet during the collision?

    <p>0.2 N</p> Signup and view all the answers

    According to the given information, what is the relationship between the translational kinetic energy of monatomic and diatomic gases?

    <p>The translational kinetic energy of monatomic and diatomic gases is the same</p> Signup and view all the answers

    What is the work done against air resistance in the trajectory of the bullet, given that the bullet reaches the ground with a velocity of 500 m/s and the acceleration due to gravity is 10 m/s^2?

    <p>$5005$ J</p> Signup and view all the answers

    In a vernier caliper, the 9th division of the vernier scale coincides with the 6th division of the main scale. If one main scale division is 0.01 mm, what is the least count of the instrument?

    <p>0.001 mm</p> Signup and view all the answers

    40 g of ice at -10°C is dropped into a calorimeter containing 50 g of water at 40°C. Assuming the specific heat of ice is 0.5 cal/g°C and the latent heat of fusion of ice is 80 cal/g (and neglecting the heat capacity of the calorimeter), what is the final temperature of the mixture?

    <p>0°C, 90 g water</p> Signup and view all the answers

    A point charge $Q$ is located at a distance $R$ from the center of an uncharged conducting spherical shell. What is the electric field inside the shell?

    <p>Zero</p> Signup and view all the answers

    Which of the following is a common application of electromagnetic waves?

    <p>All of the above</p> Signup and view all the answers

    In a calorimetry experiment, which of the following factors is typically neglected when calculating the final temperature of a mixture?

    <p>The heat capacity of the calorimeter</p> Signup and view all the answers

    What is the escape velocity from a planet with twice the radius and half the mean density of the Earth?

    <p>$4v_e$</p> Signup and view all the answers

    How many bright lines will be observed in the emission spectrum of a sample of hydrogen-like atoms, all of which are initially in the ground state?

    <p>15</p> Signup and view all the answers

    If a capacitor, an inductor, and an electric bulb are connected in series to an AC supply of variable frequency, what will happen?

    <p>The current will be maximum at the resonant frequency.</p> Signup and view all the answers

    Regardless of whether you attempted it or not, you have been awarded +4 marks, which reflects in both your Physics and overall scores of the paper. What is the total power consumed in the circuit?

    <p>54 W</p> Signup and view all the answers

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