Solar Energy Quiz | Solar Energy Question and Answer for Practice

31. Which type of solar energy system is connected to the electrical grid?

1. Stand-alone
2. Off-grid
3. Hybrid
4. Grid-tied

32. What happens to solar panels on cloudy days?

1. They produce more electricity
2. They stop working
3. They operate at reduced efficiency
4. They overheat

33. What is the main function of a solar water heater?

1. To cool water
2. To generate electricity
3. To heat water using solar energy
4. To store solar energy

34. Which gas is commonly used in solar panels?

1. Nitrogen
2. Hydrogen
3. Helium
4. Argon

35. What is the principle behind solar energy?

1. Electromagnetic radiation
2. Nuclear fusion
3. Chemical reaction
4. Thermal conduction

36. What type of current do solar panels produce?

1. Pulsating current
2. Alternating current (AC)
3. Direct current (DC)
4. Static current

37. What is the benefit of using solar energy in remote areas?

1. Requires a grid connection
2. High costs
3. Inaccessibility
4. Energy independence

38. What is a solar cell's efficiency?

1. The amount of heat it generates
2. The amount of sunlight it absorbs
3. The amount of electricity it generates
4. The ratio of energy output to sunlight input

39. What is the impact of shading on solar panel performance?

1. Enhances performance
2. Increases efficiency
3. Reduces efficiency
4. No impact

40. What is the role of the sun in the water cycle, which is harnessed by solar energy?

1. Infiltration
2. Evaporation
3. Precipitation
4. Condensation

41. Which country was the first to install solar panels on a government building?

1. China
2. United States
3. Japan
4. Germany

42. How is solar energy used in desalination plants?

1. To store energy
2. To cool water
3. To generate electricity
4. To remove salt from water

43. What is the significance of the solar constant?

1. It's the maximum energy output of a solar panel
2. It's a measure of solar panel efficiency
3. It's the average solar radiation received outside Earth's atmosphere
4. It's the energy required to power a solar panel

44. How does solar energy contribute to sustainable development?

1. By increasing energy costs
2. By depleting natural resources
3. By reducing carbon emissions
4. By increasing pollution

45. What is a common use of solar energy in space exploration?

1. Fueling rockets
2. Heating spacecraft
3. Powering communication satellites
4. Cooling systems