# PS Ch 3: Question Preview (ID: 4586)

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How does the density of an object that sinks into a fluid compare to the density of the fluid
a) The object that sinks is less dense than the fluid
b) The object that sinks is more dense than the fluid
c) The object that sinks is as dense as the fluid
d) The density of the object is not related to the density of the fluid

Unlike a gas, a plasma
a) has no mass
b) has no definite shape
c) has no definite volume
d) conducts electrical current

Charles Law relates the volume of a gas to its
a) container
b) pressure
c) composition
d) temperature

When a fixed sample of gas increases in temperature it must also
a) increase in pressure
b) increase in volume
c) decrease in pressure
d) increase in mass

A gas becomes a liquid through a process called
a) melting
b) freezing
c) evaporation
d) condensation

The force keeping an object floating on a liquid is called
a) viscosity
b) buoyant force
c) natural force
d) surface tension

Pascal principle states that a fluid in equilibrium enclosed by a vessel exerts pressure
a) upwards
b) towards the vessels opening
c) equally in all directions
d) downwards

Unlike plasma,gas
a) is affected by magnetic fields
b) has not definite volume
c) has no definite shape
d) does not conduct electricity

Boyles Law relates the volume of gas to its
a) container
b) pressure
c) composition
d) temperature

When a fixed sample of gas increases in volume it must also
a) decrease in temperature
b) increase in temperature
c) increase in mass
d) increase in density

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