State three properties of conductors in static equilibrium
What will be an ideal response?
(1 ) The electric field inside a conductor is zero in the static situation.
(2 ) Any net charge on a conductor distributes itself on the surface.
(3 ) The electric field is always perpendicular to the surface outside of a conductor.
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Brewster's Angle: When unpolarized light from air (with refractive index 1.00) strikes a piece of glass with index of refraction 1.80, the reflected light is found to be completely polarized when the angle of incidence is equal to Brewster's angle. What is the angle of refraction in this case?
Fill in the blank(s) with the appropriate word(s).
A sample of an ideal gas is in a fixed volume container at pressure P - by heating the gas, the average speed of molecules in the gas triples. What is the new pressure of the gas?
A. 3P B. P/9 C. depends on the number density of the gas D. P/3 E. 9P
Is it possible to determine the planet's mass from the star's velocity curve?
What will be an ideal response?
Eleven molecules have speeds 16, 17, 18, . . . , 26 m/s. Calculate the root-mean-square of this group of molecules
A) 21.2 m/s B) 21.0 m/s C) 21.5 m/s D) 21.7 m/s