The number of molecules in a container is quadrupled and the Kelvin temperature quadrupled. The volume remains unchanged. The new pressure will be how many times greater than the original pressure?
a. 16
b. 1
c. 20
d. 32
[Ques. 2] A model for how repulsive forces between two particles can be mediated by a third particle would be
a. A person on a skateboard pushing against a wall.
b. two people in two canoes throwing a ball back and forth.
c. two people in two canoes each pulling on one end of a rope.
d. two people in two skateboards giving each other a shove.
e. two people in two skateboards each pulling on one end of a rope.
[Ques. 3] At noon on June 21, the Sun is directly overhead at a latitude of
a. 23.5N.
b. 23.5S.
c. 32.5N.
d. 0.
[Ques. 4] An ideal gas is confined to a container with an adjustable volume. If the number of molecules and the temperature are held constant, by what factor will the volume change when the pressure is quintupled?
a. 25
b. 0.2
c. 0.04
d. 5
[Ques. 5] Which one of the following is not true of neutrinos?
a. They have no charge.
b. They have no spin.
c. One type of neutrino may change into another type of neutrino.
d. They are leptons.
e. They do not take part in strong nuclear interactions.
[Ques. 6] If it is 2:00 P.M. EST in Washington, D.C., what is the time in San Diego, California, the longitude of which is 45 more westerly?
a. 1:00 P.M. PST
b. 11:00 A.M. PST
c. Noon PST
d. 5:00 P.M. PST
[Ques. 7] How much heat is required to melt 3.0 kg of ice at 0C to water at 0C?
a. 240 kcal
b. 0 kcal
c. 1620 kcal
d. 360 kcal
[Ques. 8] If a K0 meson at rest decays in 0.89 1010 s, how far will a K0 meson moving at 0.96 c travel through a bubble chamber?
a. 17 cm
b. 1.1 cm
c. 53 cm
d. 42 mm
e. 9.2 cm
[Ques. 9] If it is 10:00 A.M. EST in Washington, D.C., what is the time in San Diego, California, the longitude of which is 45 more westerly?
a. 1:00 P.M. PST
b. 7:00 A.M. PST
c. 10:00 A.M. PST
d. 9:00 A.M. PST
[Ques. 10] On a winter day the temperature drops from 15C to 25C overnight. If a pan sitting outside contains 0.20 kg of ice, how much heat is removed from the ice for this temperature change?
a. 0.1 kcal
b. 1 kcal
c. 4 kcal
d. 0.4 kcal
Quick Reply
