2009 · Q119
Assertion (A)Water in an open pond remains cool even on a hot summer day.
Reason (R)Water on heating evaporates and heat energy gets converted into latent heat.
General KnowledgePhysics
- ABoth A and R true; R explains A
- BBoth A and R true; R does not explain A
- CA true but R false
- DA false but R true
Explanation
Both are true and evaporation (R) explains why the pond stays cool (A).