Question

1. Heat from a cup of coffee escapes into the air. Would this be convection?

2. Two identical containers of water are placed in the same room. Container A is 50°C while Container B is 70°C. Which one will cool faster? Which one will reach room temperature faster?

3. Why does a concave lens diverge rays?

Answer 1

1. No

2. A = Cool. B = Room Temp

3. Unknown

Step-by-step explanation:

1. No because by definition convection is within a fluid.

2. The colder something is it'll keep getting colder. Hotter one should get to room temperature due to diversion of temps.