______ is the fraction of the radiation, which is reflected or refracted from the concentrator and is incident on the absorber.
a) Concentration ratio
b) Aperture
c) Intercept factor
d) Acceptance angle
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The correct response in the given question blank is the Intercept factor (option c).
- The radiation's intercept factor is determined.
- It takes into account two key factors: the amount of incoming radiation and the amount of output radiation.
- It is calculated as a fraction or ratio based on how much real radiation was intercepted and how much was absorbed.
- In this scenario, the source of radiation is the concentrator, which also serves as the absorber's input source.
- After many obstructions in the way, the absorber absorbs radiation. As a result, its ratio is taken into account.
=> Intercept factor= Reflection from concentrator/ absorbed by absorber
- Hence, this ratio is called the intercept factor.
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