A stick of dynamite is exploded on the surface of the sea (T=20^0 C). The sound is propagated through the water as well as in air (T28^0C). At a distance of 3km, (a) which signal will be heard first? Why? (b) What will the time interval between the arrival of the two signals?

A stick of dynamite is exploded on the surface of the sea (T=20^0 C). The sound is propagated through the water as well as in air (T28^0C). At a distance of 3km, (a) which signal will be heard first? Why? (b) What will the time interval between the arrival of the two signals?

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Question

1. A stick of dynamite is exploded on the surface of the sea (T=20^0 C). The sound is propagated through the water as well as in air (T28^0C). At a distance of 3km, (a) which signal will be heard first? Why? (b) What will the time interval between the arrival of the two signals?

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