SATHEE: Kinetic Theory - Result Question 18

Kinetic Theory - Result Question 18

18. Relation between pressure $(P)$ and energy $(E)$ of a gas is

[1991]

(a) $P = \frac{2}{3} E$

(c) $P = \frac{1}{2} E$

(b) $P = \frac{1}{3} E$

(d) $P = 3 E$

Show Answer

Answer:

Correct Answer: 18. (a)

Solution:

(a) $P = \frac{1}{3} N m c^{2} = \frac{2}{3} \times (\frac{1}{2} N m) c^{2} = \frac{2}{3} K \cdot E$

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