Heat questions | form five Physics
Find Heat examination questions, form five Physics in acaproso.com
| # | Question |
|---|---|
| 1 | Why stainless steel cooking pans are made with extra copper at the bottom? Short answers |
| 2 | At what temperature will the filament of a 10 W lamp operate if it is supposed to be a perfectly black body of area 1 cm 2 ? Short answers |
| 3 | Which type of thermometer is most suitable for calibration of other thermometers? Short answers |
| 4 | Why at least two fixed points are required to define a temperature scale? Short answers |
| 5 | List two qualities which makes a particular property suitable for use in practical thermometers. Short answers |
| 6 | Describe how mercury in glass thermometer could be made sensitive. Short answers |
| 7 | What is meant by the triple point of water? Short answers |
| 8 | Evaluate the temperature in Kelvin if the pressure recorded by a constant volume gas thermometer is 6.8×10 4 Nm -2 given that the pressure at triple point 273.16 K is 4.6 × 10 4 Nm -2 . Mathematical Calculation |
| 9 | One gram of water becomes 1671 cm 3 of steam at a pressure of 1 atmosphere. If the latent heat of vaporization at this pressure is 2256 J/g, determine the: Mathematical Calculation |
| 10 | Why during emission of radiations from black body its temperature does not reach zero Kelvin? Short answers |
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