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
Hermann Scheer (Germany) received right Livelihood Award in 1999 for
Options: his indefatigable work for thepromotion of solar energy worldwide, his long standing efforts to end the impunity of dictators, showing that organic agriculture is a key to both environmental sustainability and food security, None of the above