Q. When does the vernal equinox occur?

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Q. Solar radiation spectrum is close to _____

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Q. Which of the following indicates the position of any point on earth?

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Q. What is the range of sun’s declination angle throughout the year?

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Q. What the hour angle?

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Q. Altitude angle is the _______

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Q. Hour angle is a measure of time of day with respect to solar noon.

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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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