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Nautical mile is a unit of distance used in

ANavigation

BRoad mile

CAstronomy

DMeasuring the boundaries of a nation

Answer:

A. Navigation


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പ്രകാശത്തിന്റെ തരംഗദൈർഘ്യത്തിന്റെ യൂണിറ്റ് ?
The S.I unit of resistivity is?

Which statement is incorrect? 

  • Distance is a vector quantity

  • Light travels through a vacuum at a constant speed.

  • Negative acceleration is known as deceleration

  • When an object is moving in a straight line in the same direction, its distance and displacement are equal in magnitude.

Which of the following unit is a fundamental unit?
Which of the following quantities is measured using the unit 'quintal'?