WHICH OF THE FOLLOWING THERMOMETERS MEASURES TEMPERATURE FROM THE THERMAL RADIATION EMITTED BY OBJECTS
A. Thermocouple thermometer B. Platinum resistance thermometer C. Pyrometer thermometer ✓ D. Constant pressure gas thermometer The answer to the question is: C. Pyrometer thermometer The thermometer that measures temperature from the thermal radiation emitted by objects is the pyrometer thermometer. Pyrometers are used…
THERMAL CONDUCTIVITY
Introduction Thermal conductivity is a physical property of materials that describes how efficiently they can transfer heat through them. It is the ability of a material to conduct heat through it when there is a temperature gradient, i.e., a difference…
THERMAL ENERGY
Introduction Thermal energy simply means heat energy. The sun is the largest source of thermal energy to the Earth. Virtually all life on the earth rely on the sun’s energy, which reaches us in a vast spectrum of wavelengths –…