In a beautiful valley, there was a village. Trains passes from the village, the whistle and the sound of train mixed with the sound of waterfall seemed to be very pleasant to everyone. Children of that village loved to play near the railway track. One very light foggy day, a group children found that a fish plate was missing from the track. Knowing this, all of the villagers became tensed. Aditya, one of the children suddenly put his ear to the line and tried to know whether a train is coming or not and he knew that a train is coming. He asked his fuiends to inform the railway cabin crew and he himself put off his red shirt and starting running towards the train, waving his red shirt. Timely, the driver and cabin man got the information and a major accident hadn't taken Place.
(a) Name the two physical phenomenon of science used by Aditya.
(b) Why did Aditya use a red shirt instead of the other colours ?
(c) What moral values were shown by Aditya ?
