In a certain region of space there are only 5 molecules per cm 3 on an average. The…
Physics · Class 11 · CBSE — Kinetic Theory
In a certain region of space there are only 5 molecules per cm3 on an average. The temperature there is 3 K. The pressure of this gas is (kB = 1.38 × 10–23 J mol–1 K–1)
- 20.7 × 10–16 N m–1
- 20.7×10–17 N m–1
- 10.7 × 10–16 N m–1
- 10.7 × 10–17 N m–1
Answer
(B) 20.7×10 –17 N m –1
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