Solar Energy Quiz

What is solar energy?

• Energy derived from wind

• Energy derived from fossil fuels

• Energy derived from the Sun

• Energy derived from water

What is the solar constant?

• The total energy from the Sun reaching the Earth's surface

• The average distance from the Earth to the Sun

• The amount of solar energy received per unit area at the outer atmosphere

• The heat absorbed by Earth's core

The value of the solar constant is approximately:

• 100 W/m²

• 500 W/m²

• 1361 W/m²

• 2000 W/m²

Which part of the Earth receives the maximum solar radiation?

• Poles

• Tropics

• Equator

• Arctic Circle

What reduces solar radiation at the Earth's surface?

• Greenhouse effect

• Clouds and atmospheric particles

• Earth's core temperature

• Ocean currents

Solar radiation geometry is concerned with:

• Sunlight spectrum analysis

• Motion of planets

• Angular relationship between the sun and a surface

• Chemical composition of solar cells

What is the declination angle?

• Angle between Earth and Moon

• Angle of wind direction

• Angle between the equatorial plane and a line from the Earth to the Sun

• Angle of inclination of solar panels

What instrument measures solar radiation?

• Barometer

• Anemometer

• Pyranometer

• Hydrometer

Solar radiation data is essential for:

• Weather forecasting

• Agriculture alone

• Designing solar energy systems

• Earthquake prediction

Which method is used for solar energy storage?

• Compressed air tanks

• Batteries and thermal storage

• Water reservoirs

• Magnetic storage