WAEC Physics 2020 Theory — Question 2
Question 2 of 12 from the West African Examinations Council (WAEC) Physics 2020 Theory paper, with the correct answer and a full explanation.
Advertisement
2. In a solar panel for heat supply, state the function of each of the following parts: (a) Metal plate; (b) Thermal insulator; (c) Tubes.
Model answer
(a) Function of metal plate of solar panel: Receives and absorbs solar radiation to produce heat. (b) Thermal insulator: Minimizes heat loss to the environment. (c) Tubes of solar panel: Helps in circulating the heat.
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.