Latent Heat Problems In Physics -Multiple Choice Questions Quiz

Interactive MCQs on “Latent Heat Problems In Physics”:

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: Which term describes the heat absorbed or released by a substance during a phase change without a change in temperature?

(a) Specific Heat
(b) Sensible Heat
(c) Latent Heat
(d) Heat Capacity

Question 2: What is the SI unit of latent heat?

(a) Joules (J)
(b) Watts (W)
(c) Celsius (°C)
(d) Pascals (P

Question 3: During the process of melting, a solid absorbs latent heat and transforms into a liquid. What happens to the temperature during this process?

(a) The temperature decreases.
(b) The temperature remains constant.
(c) The temperature increases.
(d) The temperature fluctuates randomly.

Question 4: The latent heat of vaporization is the heat absorbed or released when a substance changes from a liquid to a gas. Which of the following statements is true regarding this process?

(a) The latent heat of vaporization is always positive.
(b) The latent heat of vaporization is always negative.
(c) The latent heat of vaporization is zero.
(d) The latent heat of vaporization varies with pressure.

Question 5: Which substance has the highest latent heat of fusion?

(a) Water
(b) Ethanol
(c) Mercury
(d) Iron

Question 6: The latent heat of condensation is the heat released when a substance changes from a gas to a liquid. Is this process exothermic or endothermic?

(a) Exothermic
(b) Endothermic
(c) It depends on the substance.
(d) None of the above.

Question 7: Which of the following statements is correct regarding the latent heat of fusion and the latent heat of vaporization of a substance?

(a) The latent heat of fusion is greater than the latent heat of vaporization.
(b) The latent heat of vaporization is greater than the latent heat of fusion.
(c) Both latent heats are always equal for all substances.
(d) There is no relationship between the two.

Question 8: Which type of heat exchange plays a significant role in maintaining ocean currents and regulating climate?

(a) Sensible Heat
(b) Latent Heat
(c) Specific Heat
(d) Heat Capacity

Question 9: During a phase change, what happens to the internal energy of a substance?

(a) It decreases.
(b) It remains constant.
(c) It increases.
(d) It fluctuates unpredictably.

Question 10: Which term refers to the amount of heat required to change the temperature of a unit mass of a substance by one degree Celsius?

(a) Latent Heat
(b) Specific Heat
(c) Heat Capacity
(d) Enthalpy