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Thermal Propert...

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  • Question 1
    4 / -1

    The Fig. per pressure P verses volume V graphs for a certain mass of a gas at two constant temperatures T1 and T2. Which of the inferences given below is correct :

  • Question 2
    4 / -1

    An ideal gas is heated isobarically. What fraction of the heat supplied will be used to increase the internal energy of the gas ?

  • Question 3
    4 / -1

    The Fig. shows graphs of pressure versus density for an ideal gas at two temperatures T1 and T2. Then from the graph

  • Question 4
    4 / -1

    The temperature of an ideal gas is increased from 120 k to 480 k. If at 120 k. the root mean square velocity of gas molecules is υ, at 480 K it becomes

  • Question 5
    4 / -1

    The average translational kinetic energy of O2 (molar mass 32) molecules at a particular temp is 0.048 eV. The translational kinetic energy of N2 (molar mass 28) molecules in eV at the same temperature is

  • Question 6
    4 / -1

    Two water pipes P and Q having diametes 2 × 10–2m and 4 × 10-2 m respectively are joined in series with the main supply line of water. The velocity of water flowing in pipe P is

  • Question 7
    4 / -1

    A stretched rubber has

  • Question 8
    4 / -1

    Two soap bubbles A and B are formed at the two open ends of a tube. The bubble A is smaller than bubble B. If valve V is opened and air can flow freely between the bubbles, then

  • Question 9
    4 / -1

    A large open tank has two holes in the wall. One is a square hole of side L at a depth y from the top and the other is a circular hole of radius R at a depth 4 y from the top. When the tank is completely filled with water, the quantities of water flowing out per second from both holes are the same. Then R is equal to

  • Question 10
    4 / -1

    The ratio of the rms velocity of O2 (32) and hydrogen H2 (2) molecules at same temperature is

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