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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Q. How does a sunshine recorder work?

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Q. Which of the following best describes the measurement process in a pyrheliometer?

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Q. Thermopile is a collection of _______

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Q. What is the irradiation proportional to in thermopile technology?

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Q. Which portion of the solar spectrum can a photodiode-based pyranometer detect?

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Q. Photodiode works on the principle of _______

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Q. What does the net radiometer measure?

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Q. Which of the following technology does a net radiometer work on?

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Q. What is a bolometer made up of?

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