Q. Earth reflects about 36% of the incoming radiation.

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Q. About quarter of the incoming solar radiation is scattered.

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Q. What are the two basic ways to measure solar radiation?

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Q. What is does an actinometer measure?

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Q. Actinometer is primarily used to measure ______ and ______

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Q. How does actinometer work?

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Q. As a system, actinometer is a _____ or _______

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Q. Which of the following categories does a pyranometer belong to?

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Q. Global and diffuse solar radiation can be measured by ________

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Q. To perform irradiance measurement, which of the following is necessary?

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Q. Why should the beam response vary with cosine of the angle of incidence?

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Q. Which of the following best describes the working of thermoelectric pyranometer?

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Q. Which of the following is generally used to measure direct solar radiation?

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Q. What technologies are used in pyranometers?

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Q. __________ is a physical device that can be correlated to the number of photons detected.

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Q. Light sensitivity is known as spectral response.

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Q. Pyranometer has a non-directional response.

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Q. What is the Angstrom compensation pyrheliometer used to measure?

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Q. What is the main difference between pyranometer and pyrheliometer?

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Q. What is the main advantage of sunshine recorder?

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