Thermal Expansion ~ PHYSICAL SCIENCE Chapter 4 (class 10 wbbse) ( Important Short questions & Notes )
MADHYAMIK PHYSICAL SCIENCE SUGGESTION Thermal Expansion ~ PHYSICAL SCIENCE Chapter 4 (class 10 wbbse) ( Important Short questions & Notes ) Name the three types of expansion in solid . Ans. The three types of expansion in solid are : i) linear expansion ii) Surface expansion iii) Volume expansion Name a substance which contracts on heating. Ans. The volume of ice decreases on heating. Define the term 'coefficient' of linear expansion. Ans : The coefficient of linear expansion of a solid is the increase in its length per unit length per degree rise of temperature.