Thermal Properties of Matter

The SI unit of coefficient of linear expansion is ________

• K

• 1/ K

• $\degree$ C
  

Superficial expansion is also known as _____________

• Linear expansion

• Area expansion

• Volume expansion

Water has maximum density at _________  $\degree$ C

• 0

• 4

• 100

The relation between coefficient of volume expansion, γ and temperature, T for an ideal gas is ___________

• γT = 1

• γ / T = 1

• T / γ = 1

Relation between coefficient of linear expansion, $\alpha$   and coefficient of area expansion, $\beta$  is ____________

•  $\alpha$ /  $\beta$  = 2

•  $\alpha$  /  $\beta$   = 3

•  $\beta$  / $\alpha$  = 2

Expression for Thermal stress is ____________

• Y. $\Delta$ L / L

• Y. L / $\Delta$ L

• L . $\Delta$ L / Y

Equation for latent heat is __________

• Q m = L

• Q = m L

• Q L = m

Latent heat of fusion for water at 1 atmospheric pressure is ___________ units

• 2. 26 x 10⁵

• 3. 33 x 10⁵

• 22. 6 x 10⁵

Which of the following is the application of Regelation?

• Thermal Stress

• Pressure Cooker

• Snow Skating

Phase change from water vapour to liquid water is __________

• Fusion

• Condensation

• Vaporisation