Question

How is heat loss prevented in a calorimeter?

• A. Loss by Convection prevented by lagging the calorimeter with wool ; Loss by Conduction prevented by using a lid ; Loss by Radiation prevented by using polishing the calorimeter
• B. Loss by Radiation prevented by lagging the calorimeter with wool ; Loss by Convection prevented by using a lid ; Loss by Conduction prevented by using polishing the calorimeter
• C. Loss by Conduction prevented by lagging the calorimeter with wool ; Loss by Radiation prevented by using a lid ; Loss by Convection prevented by using polishing the calorimeter
• D. Loss by Conduction prevented by lagging the calorimeter with cotton ; Loss by Convection prevented by using vacuum ; Loss by Radiation prevented by using black paint on the calorimeter
• E. Loss by Conduction prevented by lagging the calorimeter with wool ; Loss by Convection prevented by using a lid ; Loss by Radiation prevented by using polishing the calorimeter

Answer 1

The correct option is E

Loss by Conduction prevented by lagging the calorimeter with wool ; Loss by Convection prevented by using a lid ; Loss by Radiation prevented by using polishing the calorimeter

Heat loss due to conduction is prevented by placing the calorimeter box in a well lagged vessel using wool or cork material. Heat loss due to convection is prevented by placing a lid on the box. Heat loss due to radiation is minimized by polishing the box in order to smoothen it.