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مسألة 1:
Tow thermometers are calibrated, one in degrees celsius and the other in degreesvfahrenheit . At What temperature(in kelvins)do their readings measure the same temperature?
1-218.15
2-233.15
3-273,15
4-40.15
5-0

المسألة
1-A temperatuire difference of 5 k is equal to:
*-A difference of 9 on the celsius scale.
*-A difference of 9 on the fahrenheit scale.
*-A difference of 2.8 on the rankine scale.
*-A difference of 0.5 on the fahrenheit scale.
*- A difference of 2.8 on the celsius scale.
المسألة 3
2-Determine the heat capacity (in calorise /c) of a lake contaning one million gallons (apprximately 4 million kilogranms) of water at 15c:
*-4×10^6
*-14×16^9
*-4×10^3
*-1×10^3
*-4×10^2


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