Answer:
(a) Amit put his ear on the railway track to hear the sound
of the coming train. Sound travels within railway track and gives the idea of
distance of incoming train.
(b) Copper, because sound travels faster in solid.
(c) Vivan pulled Amit away from the railway track for the
safety of his friend. This shows the caring and concern value of Vivan.
You need to login to perform this action.
You will be redirected in
3 sec