The buoyant force that keeps a ship afloat is an example of Pascal's principle.
a. True
b. False
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[Ques. 2] The element symbol C stands for cobalt.
a. True
b. False
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[Ques. 3] An atom having a single proton in its nucleus is a hydrogen atom.
a. True
b. False
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[Ques. 4] The number of protons in the nucleus of an atom tells which element it is.
a. True
b. False
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[Ques. 5] The particle that orbits the central core inside an atom is the electron.
a. True
b. False
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[Ques. 6] The central core inside an atom is the neutron.
a. True
b. False
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[Ques. 7] The uncharged particle inside an atom is a neutron.
a. True
b. False
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[Ques. 8] The positively charged particle inside an atom is the nucleus.
a. True
b. False
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[Ques. 9] When an object floats in a liquid, the buoyant force is larger than the weight of the object.
a. True
b. False
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[Ques. 10] The upward force exerted by a fluid on an object immersed in it is called the buoyant pressure.
a. True
b. False
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