7216479
Description
Flashcards by Shi Shang Tan, updated more than 1 year ago
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Created by Shi Shang Tan
over 7 years ago
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| Question | Answer |
| Watts | 1Js^-1 |
| I = E|tA | intensity |
| The solar constant is | 1370 wm^-2 |
| Frequency is in what units | 1 Hz = 1 s-1 |
| speed of light | 3*10^8 ms-1 |
| speed,wavelength and frequency | c=vf |
| energy in light | E = hf |
| h = plack constant=? | 6.63*10^-34 js-1 |
| another way to determine energy = | E = hc/v |
| power | P=E/t |
| Heat transfer Conduction | H= kA * change in temp/ l (wk-1m-1) |
| convection | H= qA change in temp |
| Radiation | H= eoAT^4 (To-Te) |
| Calorimetry (gas) | change in j = nCp change in temp |
| Calorimetry (solid) | change in j = mc change in temp |
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