NEET2024PhysicsCurrent ElectricityActual
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Houses made of concrete roofs overlaid with foam keep the room hotter during summer. Reason R: The layer of foam insulation prohibits heat transfer, as it contains air pockets. In the light of the above statements, choose the correct answer from the options given below.
Options
- AA is true but R is false.
- BA is false but R is true.
- CBoth A and R are true and R is the correct explanation of A .
- DBoth A and R true but R is NOT the correct explanation of A .
Correct answer
B. A is false but R is true.
Step-by-step solution
Layer of foam create an insulation which prohibits heat transfer, and hence roofs of houses containing foam keep room cooler during summer.