BCC Square Velocity and Standard Temperature Questions
1)A copper rod whose cross-sections have an area of 7.85 × 10 − 5 2 7.85 × 10 − 5 m 2 22 0 22 0 C 12 0 12 0 C
Group of answer choices
a)-18.7 *10 ^6 N/m^2
b)20.7 * 10^6 N/m^2
c)40 *10^8 N/m^2
2)Which of the following quantities describe the state of the system that exists.
a. Pressure
b. volume
c. mass
d. temperature
e. all
f. none
3)Which of the following expression correctly describes the expression for the Root mean square velocity derived with the help of Maxwell Boltzmann distribution?
a. = ( 8 ) V r m s = ( 8 k b T p i m )
b. = ( 3 ) V r m s = ( 3 k b T m )
c= both a and b
d. none
4)What is the volume of a container that holds exactly 1 mole of an ideal gas at standard temperature and pressure(STP), defined as T=0 0 0 0 C 10 5 10 5
Group of answer choices
a)25 L
b)10L
c)0
d)22.4 L
5) A typical dorm room or bedroom contains about 2500 moles of air. Find the change in the internal energy of this much air when it is cooled form 35.0 0 26.0 0 35.0 0 C t o 26.0 0 C = 1.400 γ = 1.400
Group of answer choices
6) If the distance between the two charges is reduced by 1/4 th of the original distance. What is the new force F2 in terms of the original force F1 developed between these two charges?(Note your answer should be input in the form of a*F1 where a is the number obtained after calculation and F1 is the initial force)
In the figure, a uniform electric field is shown passing through a flat area A. In (a), the surface of area A is perpendicular to the electric field. In (b), the surface is tilted by an angle θ with respect to the electric field. In (c), the surface is parallel to the electric field. In which orientation is the electric flux through the surface the largest?
a. The electric flux is nonzero and equal through all of the surfaces shown.
b. The electric flux is the largest through the surface shown in (a).
c. electric flux is zero through all of the surfaces shown.
d. The electric flux is the largest through the surface shown in (b).
e. The electric flux is the largest through the surface shown in (c).
A gas in a cylinder expands from a volume of 0.110m^3 to 0.320m^3. Heat flows into the gas just rapidly enough to keep the pressure constant at 1.65×10^5Pa during the expansion. The total heat added is 1.15×10^5J. A gas in a cylinder expands from a volume of 0.110m^3 to 0.320m^3. Heat flows into the gas just rapidly enough to keep the pressure constant at 1.65×10^5Pa during the expansion. The total heat added is 1.15×10^5J.
Group of answer choices
A parallel plate capacitor has two conducting plates each of area A separate by a distance d. What is its capacitance?
a. ε o
b. 10* ε o
c= both A and b
d= none
Group of answer choices
Three negative point charges lie along a line as shown in the figure
Find the magnitude of the electric field this combination of charges produces at point P 6.00 c m − 2.00 μ C
a. E=1.04×107 N / C
b. E=10.04×107 N / C
c. E = 21.04×107 N / C
d. none
Group of answer choices
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