Dulong Petit Law -Multiple Choice Questions Quiz

Interactive MCQs on “Dulong Petit Law”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: Question: What does the Dulong-Petit Law state?

(a) The heat capacity of a substance is inversely proportional to its atomic mass.
(b) The heat capacity of a substance is directly proportional to its atomic mass.
(c) The heat capacity of a substance is constant for all elements.
(d) The heat capacity of a substance is zero at absolute zero temperature.

Question 2: Question: Which type of heat capacity is related to the Dulong-Petit Law?

(a) Specific heat capacity
(b) Molar heat capacity
(c) Latent heat capacity
(d) Absolute heat capacity

Question 3: Question: The Dulong-Petit Law is applicable at which temperature range?

(a) High temperatures
(b) Low temperatures
(c) Room temperature
(d) Absolute zero temperature

Question 4: Question: According to the Dulong-Petit Law, what is the approximate value of the molar heat capacity for solid elements?

(a) 10 J/mol·K
(b) 25 J/mol·K
(c) 40 J/mol·K
(d) 75 J/mol·K

Question 5: Question: The Dulong-Petit Law is based on the classical theory of what?

(a) Quantum mechanics
(b) Special relativity
(c) Kinetic theory of gases
(d) Theory of relativity

Question 6: Question: Which property of solid elements does the Dulong-Petit Law correlate with?

(a) Density
(b) Melting point
(c) Specific heat capacity
(d) Atomic mass

Question 7: Question: Which state of matter does the Dulong-Petit Law primarily apply to?

(a) Solid
(b) Liquid
(c) Gas
(d) Plasma

Question 8: Question: At which temperature does the molar heat capacity of solid elements tend to approach a constant value, according to the Dulong-Petit Law?

(a) Absolute zero
(b) 0°C (273.15 K)
(c) Room temperature
(d) 1000°C (1273.15 K)

Question 9: Question: Which law provides an accurate description of the heat capacity of elements at low temperatures?

(a) Dulong-Petit Law
(b) Avogadro's Law
(c) Einstein's Theory of Specific Heat
(d) Boyle's Law

Question 10: Question: The Dulong-Petit Law was formulated based on experimental observations related to which property of elements?

(a) Electrical conductivity
(b) Thermal conductivity
(c) Elasticity
(d) Heat capacity