Find the temperature of H2 gas at which its rms speed is equal to that of O2 at 47°C.

V r m s = 3 R T M T 2 = 3 2 0 3 2 T = 20 KT = –253°C

Find the temperature of H2 gas at which its rms speed is equal to that of O2 at 47°C.

–253°C

20°C

–20°C

17°C

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Kinetic Theory physics ncert solutions class 11th Physics Class 11th

Find the temperature of H₂ gas at which its rms speed is equal to that of O₂ at 47°C.

Option 1 -

20°C

Option 2 -

–20°C

Option 3 -

–253°C

Option 4 -

17°C

1 View | Posted 5 days ago

Asked by Shiksha User

1 Answer

Answered by

alok kumar singh | Contributor-Level 10

5 days ago

Correct Option - 3

Detailed Solution:

$V_{r m s} = \sqrt[]{\frac{3 R T}{M}}$

$\frac{T}{2} = \frac{320}{32}$

T = 20 K

T = –253°C

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