GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Aeroplane
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Light waves
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Ship
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Sound waves
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Detailed explanation-1: -A “knot” describes the speed of a boat? A knot is used to express the speed of a boat. A knot is a unit of speed equal to one nautical mile per hour. In other words, it is about 1.8 km/h.
Detailed explanation-2: -Currents Tutorial. The term “knot”, in reference to currents, is defined as one nautical mile per hour and is used to measure speed. A nautical mile is slightly more than a standard mile. 1 nautical mile = 1.15 miles = 1.85 kilometers. 1 knot = 1.15 miles per hour = 1.85 kilometers per hour.
Detailed explanation-3: -The knot (/nɒt/) is a unit of speed equal to one nautical mile per hour, exactly 1.852 km/h (approximately 1.151 mph or 0.514 m/s). The ISO standard symbol for the knot is kn.
Detailed explanation-4: -In modern times, a knot is a unit of speed that ties directly into the global latitude and longitude coordinate system. Therefore, in the aviation and nautical worlds, knots are oftentimes used in place of MPH and KPH since they are easier to navigate with.