Consider a gas enclosed in a box. Let the walls have an area of 0.01m2 – McqOptions

MCQOPTIONS

1.	Consider a gas enclosed in a box. Let the walls have an area of 0.01m². Let s say a few molecules having their x-component of velocity =2m/s, hit a wall parallel to the yz plane. What will be the value of force on the wall in time dt? Let the number of molecules per unit volume be 10 & mass of each molecule be 10^-20kg.
A.	4*10<sup>-19</sup>N
B.	4*10<sup>-21</sup>N
C.	4/3*10<sup>-21</sup>N
D.	4/3*10<sup>-19</sup>N
Answer» C. 4/3*10<sup>-21</sup>N

Discussion

No Comment Found

Related MCQs

Boyle s law can be deduced from kinetic theory. True or False?
What is the number of molecules in 3 cubic metre of a gas at 3atm & 27 C?
A container has 3 gases whose mass ratio is 1:3:5. What is the ratio of mean square speed of the molecules of two gases? Their atomic masses are 20u, 30u & 40u corresponding to the order in which the ratios are given.
Average kinetic energy of a gas depends on which of the following factors?
The number of molecules per unit volume in the sample is 20. The mass of each molecule is 10<sup>-20</sup>kg. The mean of speed squared is 4m<sup>2</sup>/s<sup>2</sup>. What is the value of internal energy of the gas? Assume volume of container is 0.02m<sup>3</sup>.
Which of the following is not an assumption of KTG?
Consider a gas inside a box. It exerts some pressure on its walls. Find this value. GIven that number of molecules per unit volume be 20, mass of each molecule 10<sup>-20</sup>kg, v<sub>x</sub><sup>2</sup> = 1m<sup>2</sup>/s<sup>2</sup>.
Consider a gas enclosed in a box. Let the walls have an area of 0.01m<sup>2</sup>. Let s say a few molecules having their x-component of velocity =2m/s, hit a wall parallel to the yz plane. What will be the value of force on the wall in time dt? Let the number of molecules per unit volume be 10 & mass of each molecule be 10<sup>-20</sup>kg.
Consider a gas enclosed in a box. A molecule of mass m, having a velocity -2i+3j+4k collides with a wall parallel to the xz plane. What will be its velocity after collision and its change in momentum? i,j & k are unit vectors along the x,y & z axis.