Solar Irradiance (Leaving Cert Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What are the units used to measure solar irradiance?
What are the units used to measure solar irradiance?
Watts per square metre (W m⁻²)
What is the formula for calculating solar irradiance?
What is the formula for calculating solar irradiance?
A solar panel receives 500 W of power over 2.5 m². What is the solar irradiance?
A solar panel receives 500 W of power over 2.5 m². What is the solar irradiance?
200 W m⁻²
Which UV radiation band is completely absorbed by Earth's atmosphere?
Which UV radiation band is completely absorbed by Earth's atmosphere?
UVC
What harmful effects does UVB radiation cause in mammals?
What harmful effects does UVB radiation cause in mammals?
Sunburn and DNA damage
How does UVA radiation differ from UVB in terms of skin penetration?
How does UVA radiation differ from UVB in terms of skin penetration?
UVA penetrates deeper into skin than UVB
Which types of radiation successfully penetrate Earth's atmosphere to reach the surface?
Which types of radiation successfully penetrate Earth's atmosphere to reach the surface?
Visible light and some infrared
Which factor does NOT affect how much solar radiation reaches Earth's surface?
Which factor does NOT affect how much solar radiation reaches Earth's surface?
The Moon's phases
When should you avoid Sun exposure to minimize UV radiation risk?
When should you avoid Sun exposure to minimize UV radiation risk?
Two hours before and after local noon
How does UV radiation affect plant photosynthesis?
How does UV radiation affect plant photosynthesis?
Reduces photosynthetic efficiency