Volume Expansion — Practice Quiz

Question 1

A solid cube of side 10 cm and α = 24×10⁻⁶/K is heated by 100°C. ΔV:

Accepted Answer

7.2 cm³

Answer

2.4 cm³

Answer

72 cm³

Answer

0.72 cm³

Question 2

γ for an isotropic solid is:

Accepted Answer

3α

Answer

α

Answer

2α

Answer

α/3

Question 3

Volume expansion of an ideal gas at constant pressure depends on temperature as:

Accepted Answer

V ∝ T (Charles's law)

Answer

Linear

Answer

Inversely as T

Answer

V ∝ T²

Question 4

A 1-litre container of liquid (γ_L = 4×10⁻⁴/K) made of glass (γ_g = 27×10⁻⁶/K). Apparent expansion per degree:

Accepted Answer

373×10⁻⁶ /K

Answer

427×10⁻⁶ /K

Answer

27×10⁻⁶ /K

Answer

4×10⁻⁴ /K

Question 5

If α of iron is 12×10⁻⁶/K, γ (volume coefficient) is:

Accepted Answer

36×10⁻⁶/K

Answer

12×10⁻⁶/K

Answer

24×10⁻⁶/K

Answer

4×10⁻⁶/K