An investigator team transmit an ultrasound signal to the sea bed. The signal is received back in 12 second. If the speed of sound in water is 1000 m/s, then the depth of sea is |
|||||||
(a) |
5 km |
(b) |
6 km |
(c) |
600 m |
(d) |
An investigator team transmit an ultrasound signal to the sea bed. The signal is received back in 12 second. If the speed of sound in water is 1000 m/s, then the depth of sea is |
|||||||
(a) |
5 km |
(b) |
6 km |
(c) |
600 m |
(d) |