Thermal Properties of Matter Quiz 2

The coefficient of cubical expansion of a solid is the increase in volume per unit original volume at 0 °C per degree rise in _________.

A disc has an area of $0.32\ m^2$ at 20 °C, what will be its area at 100 °C? $(\alpha = 2 \times 10^{-6}/^\circ C)$

The coefficient of linear expansion of iron is $1.1 \times 10^{-5}$ per K. An iron is 10 m long at 27 °C. Length of the rod will be decreased by 1.1 mm when the temperature of the rod changes to

The length of an aluminium rod is 120 cm at 20 °C. What is its length at 80 °C, if coefficient of linear expansion of aluminium is $2.5 \times 10^{-5} /^\circ C$?

A metal rod having a coefficient of linear expansion of $2 \times 10^{-5} \ ^\circ C ^{-1}$ has a length of 1 m at 20°C. The temperature at which it is shortened by 1 mm is

Iron sheet 50 cm × 20 cm is heated through 100 °C. If a = \(12

A liquid with coefficient of volume expansion γ is filled in a container of a material having the coefficient of linear expansion α. If the liquid over flows on heating then

The volume of a metal block changes by 0.18% when it is heated through 20 °C. Its coefficient at cubical expansion will be

The superficial expansivity is 1 / x times the cubic expansivity. The value of x is

The volume of liquid is 830 $m^3$ at 30 °C and 850 $m^3$ at 90 °C. The coefficient of volume expansion of liquid is