- 1. Solar energy is a renewable source of power that is harnessed from the sun's radiation. This clean and abundant energy source is converted into electricity or used for heating purposes through various technologies such as photovoltaic cells and solar thermal systems. Solar energy is sustainable and reduces greenhouse gas emissions, making it an environmentally friendly alternative to fossil fuels. As advancements in technology continue to improve efficiency and decrease costs, solar power is becoming increasingly popular around the world as a key component in the transition to a more sustainable energy future.
What is a renewable source of energy obtained from the sun's rays?
A) Wind energy
B) Geothermal energy
C) Solar energy
D) Nuclear energy
- 2. What is the direct current (DC) generated by solar panels typically converted into for household use?
A) Alternating current (AC)
B) Thermal energy
C) Chemical energy
D) Mechanical energy
- 3. Which country is the largest producer of solar energy in the world?
A) United States
B) Germany
C) China
D) India
- 4. What is the average lifespan of solar panels?
A) 10-15 years
B) 35-40 years
C) 25-30 years
D) 5-8 years
- 5. What material is commonly used to make solar cells in solar panels?
A) Aluminum
B) Steel
C) Silicon
D) Copper
- 6. What is the name of the phenomenon when solar radiation is trapped within the Earth's atmosphere?
A) Solar radiation
B) Global warming
C) Solar insolation
D) Greenhouse effect
- 7. Which of the following is a component of a solar water heating system?
A) Collector
B) Rotor
C) Battery
D) Inverter
- 8. What unit is used to measure the power of sunlight hitting a surface?
A) Bar (b)
B) Kilowatt-hour (kWh)
C) Joule (J)
D) Watt per square meter (W/m²)
- 9. Which scientist won the 1921 Nobel Prize in Physics for his work on the photoelectric effect, which laid the foundation for solar cell technology?
A) Albert Einstein
B) Nikola Tesla
C) Thomas Edison
D) Marie Curie
- 10. What is a solar farm?
A) Large-scale installation of solar panels to harvest sunlight for electricity generation
B) Wind power plant
C) Crop plantation
D) Animal sanctuary
- 11. Which direction should solar panels ideally face in the northern hemisphere to maximize sunlight exposure?
A) North
B) West
C) East
D) South
- 12. What is a solar inverter used for in a solar power system?
A) Cleaning solar panels
B) Storing excess solar energy
C) Tracking the sun's movement
D) Converts DC electricity from solar panels into usable AC electricity
- 13. Which layer of Earth's atmosphere allows most of the sunlight to pass through and reach the surface?
A) Exosphere
B) Troposphere
C) Mesosphere
D) Stratosphere
- 14. What is the name of the federal investment tax credit for solar energy systems in the United States?
A) Solar Energy Rebate
B) Solar Power Grant
C) Renewable Energy Voucher
D) Solar Investment Tax Credit (ITC)
- 15. Which component of a solar panel absorbs sunlight and converts it into electricity?
A) Inverter
B) Frame
C) Photovoltaic cells
D) Reflective coating
- 16. What is the device used to store excess electricity generated by solar panels?
A) Inverter
B) Battery
C) Charge controller
D) Solar tracker
- 17. Which government incentive allows homeowners to sell excess solar energy back to the grid?
A) Renewable energy certificate
B) Feed-in tariff
C) Tax credit
D) Net metering
- 18. Which type of solar power system is not connected to the electricity grid?
A) Grid-tied system
B) Stand-alone system
C) Off-grid system
D) Hybrid system
- 19. In which year was the first practical photovoltaic (PV) solar cell invented?
A) 1954
B) 1976
C) 1989
D) 2003
- 20. What is the full form of PV in solar energy terminology?
A) Power voltage
B) Photovoltaic
C) Panel voltage
D) Primary voltage
- 21. What is the process of converting sunlight into electricity called?
A) Geothermal energy
B) Photovoltaics
C) Biofuels
D) Hydropower
- 22. Solar energy is considered a form of ___ energy.
A) Fossil
B) Non-renewable
C) Nuclear
D) Renewable
- 23. What unit is used to measure solar energy production?
A) Kilowatt-hour (kWh)
B) Gallons
C) Degrees Celsius
D) Miles per hour (mph)
- 24. Solar energy can be consumed directly as ___ or converted into electricity.
A) Heat
B) Light
C) Motion
D) Sound
- 25. The Earth receives more energy from the sun in ___ than is used by all of humanity in an entire year.
A) One month
B) One hour
C) One week
D) One day
- 26. Solar energy impacts the environment by ___ the reliance on fossil fuels.
A) Ignoring
B) Maintaining
C) Increasing
D) Reducing
- 27. Solar energy is a key solution to combat ___ and reduce global warming.
A) Air pollution
B) Deforestation
C) Water contamination
D) Climate change
- 28. What device adjusts the voltage of electricity generated by solar panels for use in homes?
A) Converter
B) Transformer
C) Inverter
D) Rectifier
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