Kinetic Theory Of Gases Question 120

Question: The kinetic energy of one mole gas at 300K temperature, is E. At 400K temperature kinetic energy is $ {E}’. $ The value of $ {E}’/E $ is

Options:

A) 1.33

B) $ \sqrt{( \frac{4}{3} )} $

C) $ \frac{16}{9} $

D) 2

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Answer:

Correct Answer: A

Solution:

[a] $ E=\frac{3}{2}RT $

Therefore $ \frac{{{E}’}}{E}=\frac{{{T}’}}{T}=\frac{400}{300}=\frac{4}{3}=1.33 $