Assertion $(A)$: $A$ room can be cooled by opening the door of a refrigerator in it.
Reason $(R)$: Heat always flows from a body at higher temperature to a body at lower temperature.

  • A
    $(A)$ and $(R)$ are true and $(R)$ is the correct explanation of $(A)$.
  • B
    $(A)$ and $(R)$ are true and $(R)$ is not the correct explanation of $(A)$.
  • C
    $(A)$ is true but $(R)$ is false.
  • D
    $(A)$ is false but $(R)$ is true.

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Draw a schematic representation of a refrigerator.

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