physics quiz

2). The temperature of -273 C on kelvin scale is

• Multiple Choice
• a). 273 K
• b). 373 K
• c)-273 k

3).Boltzmann constant is given by

• Multiple Choice
• a). R/NA
• b). 1/R NA
• C). NA/R

4).Value of Boltzmann constant is

• Multiple Choice
• a) Vrms ∝ [?][?][?]T
• b) Vrms ∝ T^2
• c) Vrms ∝ √T

5).Pressure of the gas depends upon

• Multiple Choice
• a). Molecular speed
• b). Mass of molecule
• c). Number of molecules

6).Average translational kinetic energy of the molecules is given by

• Multiple Choice
• a.)½ KT
• b). KT
• c). 2/3 KT

7).The S.I unit of product of pressure and volume is

• Multiple Choice
• a). Watt
• b). Joule
• C). Pascal

8).The sum of all the energies of gas molecules

• Multiple Choice
• a). PE
• b). KE
• c). Internal energy

9) Which is called internal energy of ideal gas

• Multiple Choice
• a). PE
• b). Translational KE
• c). Elastic PE

10). A diatomic gas molecule has

• Multiple Choice
• a) Translational energy
• b) rotational energy
• c) vibrational energy

11). For ideal gas PE associated with molecules is

• Multiple Choice
• a) 100 J
• b) 212 J
• c) 273 J