Q. The altitude angle is maximum at noon.

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Q. What is solar noon?

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Q. How does the solar noon vary with every 15 degrees of longitude east of a given longitude?

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Q. How does the solar noon vary with every 15 degrees of longitude west of a given longitude?

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Q. What is a solar day?

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Q. What is a sidereal day?

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Q. Solar day is ______ sidereal day.

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Q. One sidereal day is ______ solar hours and ______ solar minutes long.

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Q. Which of the following solar time duration is not constant throughout the year?

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Q. What is local true solar time?

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Q. The length of mean solar day is slowly increasing.

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Q. What is the relationship between insolation and cloud cover in sky?

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Q. Which of the following is a reason for inverse relationship between insolation and cloud cover in sky?

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Q. Which does Angstrom-Savinov formula tell?

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Q. What does the constant “k” signify in the Angstrom-Savinov formula?

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Q. The constant “k” in Angstrom-Savinov formula depends on ________

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Q. How does the constant “k” in Angstrom-Savinov vary in high and low latitudes?

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Q. Which of the following models uses linear regression to estimate solar radiation from sunshine duration?

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Q. Akinoglu and Fcevit uses a _______ to estimate solar radiation.

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Q. How is an empirical model developed?

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