An aeroplane was flying over the Sahara desert. It was around 10 am, when the pilot noticed some fire in the engine of the plane

An aeroplane was flying over the Sahara desert. It was around 10 am, when the pilot noticed some fire in the engine of the plane and then he decided to land the plane in the desert. On landing all the passengers de-boarded the plane and then within few seconds the whole plane was in fire, Now, the passengers are left with no help as there were no mobile signal to call for help too. After about 2 hrs, they saw a plane passing over. They all shouted but was of no use because of the sound of plane. Then one person got an idea. He asked for a mirror. Then a young lady said that she had a mirror. He took it and with the help of the light coming from the search and rescue plane, he reflected them back so as to get revealed their position and thus, saved the life of all the co-passengers. 

(i) State the laws of phenomenon, he used to save the lives of all the co-passengers ?

(ii) What moral values do we get from this passage ? Write any two only.