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How is Specific Gravity defined?
Specific Gravity, SG, is a unit less quantity that provides the scientist or engineers an idea of how dense a substance is compared to water. The density of water, which is one kilogram per liter (at 4 degrees C), is assigned a SG of 1.000. If a substance is denser than water, it will have a SG greater than 1.000; if it is less dense than water, its S.G. will be a value less than 1.000 (but greater than zero). Let's say a matter has a density of 2.5 kilograms per litre. That means that its SG is 2.5 (2.5 divided by 1.000).
Explain the terms (i) magnetic declination and (ii) angle of dip at a given place.
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Describe the physical significance of curl of a vector function?
Points O, A, and P lie in one as well as the same vertical plane. Point A is 4 . 0 cm due east of point O starting at point O one is able to arrive at point P by going 6 . 0 cm due
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