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Question (11)
QN0038315

How many degrees of freedom are associated with 2 grams of He at NTP ?

  • (A)

    3

  • (B)

  • (C)

  • (D)

    6

Correct Answer: C
Explanation:

Moles of

Molecules

As there are 3 degrees of freedom corresponding to 1 molecule of a monatomic gas.

Total degrees of freedom

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Question (12)
QN0038316

A cylinder rolls without slipping down an inclined plane, the number of degrees of freedom it has, is

  • (A)

    2

  • (B)

    3

  • (C)

    5

  • (D)

    1

Correct Answer: A
Explanation:

As degree of freedom is defined as the number of independent variables required to define body's motion completely. Here  (1 Translational +1 Rotational).

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