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HomePhysics15. The temperature at which the root mean square velocity of a molecule will be doubled than at 100°C

15. The temperature at which the root mean square velocity of a molecule will be doubled than at 100°C

(a)  1219°C                                      (b)  1492°C

(c)   400°C                                      (d)  400 K

Answer-a

(14)

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12. An ideal gas is taken through the cycle A→ B → C → A, as shown in the figure. If the net heat supplied to the gas in the cycle is 5 J, the work done by the gas in the process C → A is

(a)      – 5 J (b)  – 10 J (c)   – 15 J (d)  – 20 J Answer-a (126)

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