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Consider a mixture of gas molecule of types A, B and C having masses mA < mB < mC. The ratio of their root mean square speeds at normal temperature and pressure is:

Option 1 -

1 υ A > 1 υ B > 1 υ C

Option 2 -

υ A = υ B = υ C = 0

Option 3 -

1 υ A < 1 υ B < 1 υ C

Option 4 -

υ A = υ B ≠ υ C

0 2 Views | Posted 3 months ago
Asked by Shiksha User

  • 1 Answer

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    3 months ago
    Correct Option - 3


    Detailed Solution:

    As we know that root mean square speed is given as

    v = 3 R T M , s o

    v A > v B > v C ⇒ 1 v A < 1 v B < 1 v C a s           m A < m B < m C

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