PHYS 210 Final, Spring 2008
American University of Beirut · Introductory Physics II · 1 page
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ie The compressibility k of an ideal gas is defined by :
Marks: 4 k= -(dV/dP)/V
where V is the volume and P is the pressure and dV/dP is the derivative. If the gas is compressed isothermally,
what is k (in atm” ata pressure P=2.0 atm?
Choose one answer. a.15 x
b.05 ¥
c.0.25 x
d.20 x
e.10 x
Correct
Marks for this submission: 4/4.
a Unpolarized light is passed through three successive Polaroid filters, each with its transmission axis at 45° to the preceding filter. What percentage of light gets through?
Marks: 4
Choose one answer. a. 25% x
b. 50% x
c.55% x
d.33% x
2.125% ¥
Correct
Marks for this submission: 4/4