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. **** of that village loved to play near the railway track. One very light foggy day, a group **** found that a fish plate was missing from the track. Knowing this, all of the villagers became tensed. Aditya, one of the **** 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 *** 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 ?
