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Define The Principal Axis

Answer: The principal axis is called a line that passes via the centre of the surface of a spherical mirror or lens and through the centre of... View Article

Define The Imr

Answer: The infant mortality rate (IMR) is not only a statistical group, but also reflects socio-economic progress and ultimately reflects the... View Article

1kg Weight Is Equal To

Answer: A metric unit of measurement is a kilogram. A kilogram is taken from the Greek term. In many the kilo is generally used as unit of... View Article