Once Amit was going to his house. He was listening music on mobile with earphone while crossing the railway line and he did not hear the sound of approaching train though the train was blowing horn. A person nearby ran towards him and push away just as the train reached there. amit realised his mistake and thanked the person. (a) Describe the value possessed by the person. (b) Name the phenomenon of change in frequency of sound when there is relative motion between the observer and source of sound.

Once Amit was going to his house. He was listening music on mobile wit

1.	Once Amit was going to his house. He was listening music on mobile with earphone while crossing the railway line and he did not hear the sound of approaching train though the train was blowing horn. A person nearby ran towards him and push away just as the train reached there. amit realised his mistake and thanked the person. (a) Describe the value possessed by the person. (b) Name the phenomenon of change in frequency of sound when there is relative motion between the observer and source of sound.
Answer» Solution :(a) The VALUES possessed by the person are - (i) pres-ence of mind, (II) general AWARENESS, (iii) good understanding, (IV) prompt decision-making ABILITY, (v) concern for other people.s safety and well-being, (vi) helping and caring nature. (b) The phenomenon is Doppler.s effect in sound.