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1. |
Which of the following best describes the working of thermoelectric pyranometer? |
A. | Solar radiation → thermal e.m.f measured → thin black surface → rise in temperature until equilibrium |
B. | Solar radiation → thin black surface → rise in temperature until equilibrium → thermal e.m.f measured |
C. | Thin black surface → solar radiation → rise in temperature until equilibrium → thermal e.m.f measured |
D. | Solar radiation → rise in temperature until equilibrium → thin black surface → thermal e.m.f measured |
Answer» C. Thin black surface → solar radiation → rise in temperature until equilibrium → thermal e.m.f measured | |