During the COVID-19 pandemic, infrared thermometers were used to measure a person’s temperature from a distance. They detect heat radiating from the body and provide quick, non-contact temperature readings.
Home/class 6 science chapter 7 temperature and its measurement mcq questions and answers
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Specific heat capacity is the amount of heat required to raise the temperature of 1 kilogram of a substance by 1°C. It varies for different materials.
Mayur Arya
Asked: In: Class 6 Science
Thermal expansion is the increase in the volume of a substance when its temperature rises. This occurs because particles move faster and spread apart as they gain kinetic energy.
Temperature is measured using thermometers, which can be liquid-in-glass, digital, or infrared. These devices detect temperature by measuring changes in a substance, such as mercury or alcohol, or using sensors.