Temperature and Heat — Prelims Questions

Which of the following statements correctly distinguishes between heat and temperature?

If a substance is heated and undergoes a phase change (e.g., melting), which of the following remains constant during the phase change?

Which of the following temperature scales is based on the concept of absolute zero and is the SI unit of temperature?

Consider the following statements regarding thermal expansion: 1. Water exhibits anomalous expansion between 0°C and 4°C. 2. Bimetallic strips work on the principle of differential thermal expansion. 3. The coefficient of thermal expansion is generally higher for solids than for gases. Which of the statements given above is/are correct?

Which of the following is NOT a mechanism of heat transfer?