Thermal Properties of Matter

Topics in this chapter

• Temperature Measurement and Scales
• Thermal Expansion of Solids, Liquids, and Gases
• Calorimetry and Phase Changes
• Heat Conduction and Thermal Resistance
• Cooling and Heat Transfer
• Thermal Radiation and Blackbody Laws

Cheat sheet

Practice questions

1. Question 1Q-B05DB7

   A brass rod of length $50\text{ cm}$ and diameter $3.0\text{ mm}$ is joined to a steel rod of the same length and diameter. What is the change in length of the combined rod when heated from $0^\circ\text{C}$ to $100^\circ\text{C}$? (Coefficient of linear expansion for brass $= 2.0 \times 10^{-5}\,\text{K}^{-1}$, for steel $= 1.2 \times 10^{-5}\,\text{K}^{-1}$)

   1. A.1.2 mm
   2. B.1.6 mm
   3. C.0.8 mm
   4. D.2.4 mm
   See the answer and solution
2. Question 2Q-72AD57

   A coefficient of volume expansion of an ideal gas at constant pressure is equal to:

   1. A.T
   2. B.1 / T
   3. C.P
   4. D.1 / P
   See the answer and solution
3. Question 3Q-36C687

   A pendulum clock keeps correct time at $20^\circ\text{C}$. If the room temperature increases to $40^\circ\text{C}$, the clock will:

   1. A.lose time
   2. B.gain time
   3. C.neither gain nor lose time
   4. D.stop working
   See the answer and solution
4. Question 4Q-06D96A

   The triple point of water is a standard fixed point used in thermometry. Its value on the Kelvin scale is:

   1. A.273.15 K
   2. B.273.16 K
   3. C.373.15 K
   4. D.0.01 K
   See the answer and solution
5. Question 5Q-5325EB

   Calculate the amount of heat required to convert $5\text{ g}$ of ice at $-10^\circ\text{C}$ into steam at $100^\circ\text{C}$. (Specific heat of ice $= 0.5\text{ cal/g}^\circ\text{C}$, latent heat of fusion of ice $= 80\text{ cal/g}$, specific heat of water $= 1\text{ cal/g}^\circ\text{C}$, latent heat of vaporization $= 540\text{ cal/g}$)

   1. A.3625 cal
   2. B.3600 cal
   3. C.3725 cal
   4. D.3500 cal
   See the answer and solution