* The following factor causes the pressure of a gas in a cylinder to increase.
A
The volume of the cylinder decrease.
B. The average speed increases.
C The average distance between the gas
molecules decrease.
D The rate of collision between the gas
molecules and the walls increases.
* If there is no net flow of heat energy
between two objects that are in thermal contact, then the two objects must have
the same …………….
A mass
B temperature
C specific heat capacity
D specific latent heat of fusion
*A thermometer is inserted into a hole in
an aluminium block which has a little oil in it.
Oil is used
- to
transfer heat by convection
- to
insert the thermometer easily
- to
reduce lost of heat to the surrounding
- to
increase the conductivity of heat
* Which of the following is a constant
variable in a Boyle’s Law experiment?
A Temperature
B Volume
C Pressure