What do you mean by a light year? Is a l...

What do you mean by a light year? Is a light year unit of time or a unit of length?

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CENGAGE PHYSICS-UNITS AND MEASUREMENT-GENERAL EXERCISE

What do you mean by unit?
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Define the fundamental units of SI system.
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Name a physical quantity which has same unit as of work?
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A unitless quantity is dimensionless. Is the statement true? If yes, e...
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Derive the unit of energy in terms of the fundamental unit of SI syste...
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What is the SI unit of pressure?
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What is the SI unit of angle, degree or radian? Write down the relatio...
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Derive the dimension of gravitation constant G. Given F("gravitation")...
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How is cm^(3) related to litre as both of them are units of volume.
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What do you mean by a light year? Is a light year unit of time or a un...
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Is it possible for two different physical quantities to have same dime...
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Write down the CGS and SI unit of area. What is the relation between t...
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What is the unit of force in CGS system?
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Derive the SI unit of watt in terms of the fundamental unit.
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