Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons?
Options: 1.8 km, 0.15 km, 2.2 km, 0.20 km, 2.8 km, 0.25 km, 3.3 km, 0.30 km
Options: to test the performance of an indigenously built heat-shield, to hit target without the help of the Air Forces, to defend a large installations like oil-fields etc. against enemy attacks, None of the above
The land-sea distribution or the positions of the world's continents and major oceans influences
Options: the major pressure belts that develop from the general circulation of the atmosphere, the development of the mid-latitude cyclonic depressions, at the convergence zone between polar and subtropical air masses, both (a) and (b), None of the above