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Q: Which of the following is not based on the Archimedes Principle?
  • A. Lactometers
  • B. Designing of aeroplane wings
  • C. Designing of ships and submarines
  • D. Hydrometers
Correct Answer: Option B - According to Archimedes Principle, the upward buoyant force that is exerted on a body immersed in a fluid, whether fully of partially, is equal to the weight of the fluid that the body displaces. The designing of ships, submarines, lactometers and hydrometers are based on Archimedes Principle. Aircraft works on Bernoulli Principle. The wings of aircraft are designed in such a way that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure
B. According to Archimedes Principle, the upward buoyant force that is exerted on a body immersed in a fluid, whether fully of partially, is equal to the weight of the fluid that the body displaces. The designing of ships, submarines, lactometers and hydrometers are based on Archimedes Principle. Aircraft works on Bernoulli Principle. The wings of aircraft are designed in such a way that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure

Explanations:

According to Archimedes Principle, the upward buoyant force that is exerted on a body immersed in a fluid, whether fully of partially, is equal to the weight of the fluid that the body displaces. The designing of ships, submarines, lactometers and hydrometers are based on Archimedes Principle. Aircraft works on Bernoulli Principle. The wings of aircraft are designed in such a way that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure