Q. Low frequency sonars has a frequency up to

View solution

Q. Dredging deliver sounds with an average intensity, ranges between

View solution

Q. "SONAR" stands for

View solution

Q. Mid frequency sonars are participated in submarine detection and

View solution

Q. Cracking in ice, produces sound pulses, approximately

View solution

Q. China and France, started an underground nuclear testing in

View solution

Q. Higher sounds are mostly due to oscillations of bubbles in the

View solution

Q. Wind blowing produces sounds in water, ranges between

View solution

Q. Sonar is used for scientific research and

View solution

Q. Sources of sound in Ocean, examplified as

View solution

Q. Thunder and lightning raises noise level around

View solution

Q. Sonar is used to locate and assess fish shoals, in order to

View solution

Q. Passive sonar, functioning as detecting acoustic signal in

View solution

Q. Source levels for fish tracking ranges between

View solution

Q. In water, seismic eruptions raises noise up to

View solution

Q. Marine mammals, such as dolphins and whales, producing sound ranges from

View solution

Q. Acoustic Harassment Devices (AHDs), performing function in warning marine

View solution

Q. Low frequency sonars are used for broad

View solution

Q. AHDs stands for

View solution

Q. All commercial vessels are equiped with

View solution