Question

8 6 7 Q. No. 1 2 4 in 3 Marks Obt 26 25 24 Q. No 19 23 22 21 20 Marks Obt. I What is computer?short answer
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Answer 1

Explanation:

Given that

Let us assume that the lowered temperature as negative,

Initial temperature = 40oC

Change in temperature per hour = -5oC

Change in temperature after 10 hours = (-5) × 10 = -50oC

∴The final room temperature after 10 hours of freezing process = 40oC + (-50oC)

= -10oC

The room temperature 10 hours after the process begins= -10oC

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