Question

Explain principle of using solar energy . explain two devices to use solar energy

Answer 1

using of solar energy we can use many household appliances

solar means sun energy means light or power of sun

solar lamp

solar lamp is device used in homes and public streat lights and we can use it in where the electricity is required and it also helps to prevent hydropower and pollution

solar water heater

solar water heater are used in homes for heating the waters for bathing purpose without using any electricity