3rd Long Examination in Physics

Which of the following is true about temperature?

• An intrinsic property, in which the amount matter does not affected its value

• It measures the average energy available to the system

• Associated to translational kinetic energy of a matter

• None from the choices

Three identical materials of having masses of 10g, 20g, and 30g are place in a furnace of temperature reaching melting point. Which of the given masses obtain the highest temperature?

• 10g

• 20g

• 30g

• all of them have equal temperature.

From question # 2, which of the masses obtain the highest amount of heat?

• 10g

• 20g

• 30g

• all of them have heat content.

If boiling point of water is 100 C and its freezing point is 0 C, what will happen to water when its temperature either 101 C or -2 C?

• Water will never reached 101 C

• Water will never reached -2 C

• Water turns into steam or ice.

• None from the choices

Which is true about the molecules and temperature?

• Molecules will move faster if temperature increases

• Molecules will move slower when temperature decreases

• Molecules doe not affected by increasing or decreasing temperature

• Both a and b are correct.

Which is true about heat?

• It is a form of energy that is transferred between two systems of different temperature

• It can be measured by mcdT

• Only hot object posseses heat

• Both a and b are correct statements.

It is a condition in which two systems obtained equal temperature.

• Equilibrium temperature

• Stability

• Quasi-static temperature

• Uniform temperature

The zeroth law of thermodynamics help us to define which property of matter?

• Heat

• temperature

• pressure

• volume

Energy developed through the movement of the molecules within the substance brought about the change in temperature.

• Internal Energy

• Heat

• Potential Energy

• Enthalpy

The area in the PV diagram represents which variable in thermodynamics?

• Heat

• Internal Energy

• Work

• Temperature