Question

all at 40°C is dropped in a mug cong
The heat we
ta
flow from iron ball to water
for not now from iron ball to water or from water to rais
(c)
flow from water to iron ball.
(d)
increase the temperature of both
10. a wooden spoon is dipped in a cup of ice cream. Its the end
(a)
becomes cold by the process of conduction
(b) becomes cold by the process of convection
(c) becomes cold by the process of radiation
(d does not become cold.
11. Stainless steel pans are usually provided with copper bottoms. The
reason for this could be that
(a) copper bottom makes the pan more durable
(b) such pans appear colourful
copper is a better conductor of heat than the stainless steel
(d) copper is easier to clean than the stainless steel
LET​

Answer 1

If an iron ball at  40\degree C  is dropped in a mug containing water at 40\degree C.  Then, the heat will

(b) not flow from iron ball to water or from water to iron ball.

Because heat will flow from an object with high temperature to an object having a low temperature.  But here temperature of both liquid and iron ball is same.

Therefore, no flow of heat take place  

Answer 2

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