10th Standard English Medium Science Subject Thermal Physics Book Back 1 Mark Questions with Solution Part - I

10th Standard

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 5
    5 x 1 = 5
  1. The value of universal gas constant

    (a)

    3.81 J mol–1 K–1

    (b)

    8.03 J mol–1 K–1

    (c)

    1.38 J mol–1 K–1

    (d)

    8.31 J mol–1 K–1

  2. If a substance is heated or cooled, the change in mass of that substance is

    (a)

    positive

    (b)

    negative

    (c)

    zero

    (d)

    none of the above

  3. If a substance is heated or cooled, the linear expansion occurs along the axis of

    (a)

    X or –X

    (b)

    Y or –Y

    (c)

    both (a) and (b)

    (d)

    (a) or (b)

  4. Temperature is the average ______ of the molecules of a substance

    (a)

    difference in K.E and P.E

    (b)

    sum of P.E and K.E

    (c)

    difference in T.E and P.E

    (d)

    difference in K.E and T.E

  5. In the Given diagram, the possible direction of heat energy transformation is

    (a)

    A\(\leftarrow\)B, A\(\leftarrow\)C, B\(\leftarrow\)C

    (b)

    A\(\rightarrow\)B, A\(\rightarrow\)C, B\(\rightarrow\)C

    (c)

    A\(\rightarrow\)B, A\(\leftarrow\)C, B\(\rightarrow\)C

    (d)

    A\(\leftarrow\)B, A\(\rightarrow\)C, B\(\leftarrow\)C

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