Question

Q8:
Two freezers X and Y are identical except that one has a door opening at the front and the other has a door opening at the top.

freezer X (door on front)
freezer Y (door on top)

Both doors are the same size and are opened for the same amount of time.
Which freezer gains the least amount of thermal energy in this time and why?
freezer gaining the
least thermal energy :
reason
A
Х:
cold air falls
B
Х:
warm ale falls
C
Y:
cold air falls
D
Y:
warm air falls​

Answer 1

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Answer 2

Answer: The answer is C.

Explanation: It is because cold air usually sinks or falls below the freezing compartment that was placed at the top of the freezer. It creates a circulating air current that cools all the things in the freezer.  So, the freezer gaining the least thermal energy is Y and the reason is that cold air falls.