Practice - Horizontal Surfaces
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Practice Questions
Test your understanding with targeted questions
What is the definition of direct solar radiation?
💡 Hint: Consider how sunlight may reach the Earth without interference.
Name one instrument that measures solar radiation.
💡 Hint: Think about an instrument associated with global solar radiation.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which type of radiation is sunlight directly reaching the Earth's surface without any scattering?
💡 Hint: Think of the sunlight you feel on a clear day.
True or False: Pyranometers can measure both direct and diffuse solar radiation.
💡 Hint: Consider the functions of a pyranometer.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Given a location with an average of 8 sunshine hours per day and a solar radiation value of 5 kWh/m²/day, apply the Angstrom-Prescott model to estimate the GHI.
💡 Hint: Make sure you clearly understand the roles of a and b in the formula.
Discuss how variations in tilt angle for solar panels can impact the estimated GHI compared to horizontal surfaces.
💡 Hint: Think about how sunlight hits different angles throughout the year.
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