Question

Two identical blocks of iron are heated till they glow red in the fire. The two blocks are then dipped at the same time into two identical jars P and Q containing the same amount of water. The water in jar P is warm tap water, while the water in jar Q is cold water from the refrigerator. Which of the following is likely to happen?

Answer 1

Answer:

In jar Q to cool it.In jar P to make it heat

Explanation:

Answer 2

Answer:

• For iron to be heated till they glow red in the fire, the temperature should be nearly 460o C. For warm tap water, its temperature is 100. Hence in both the cases, both blocks will cool down. Hence option (C) is the correct choice