Class 11

15. Kinetic Theory Of Gases question bank (Physics)

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Q1.

The speeds of 5 molecules of a gas (in arbitrary units) are as follows: 2, 3, 4, 5, 6. The root mean square speed for these molecules is

(A)

2.91

(B)

3.52

(C)

4.00

(D)

4.24

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Q2.

The rate of cooling at 600 K, if surrounding temperature is 300 K is \( R \). The rate of cooling at 900 K is

(A)

\(\frac{16}{3}R\)

(B)

\(2R\)

(C)

\(3R\)

(D)

\(\frac{2}{3}R\)

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