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In Internationan System of units, there ...

In Internationan System of units, there are seven base quantities whose units are defined. Which physical quatity has a prefix with its unit?

A

Mass

B

Thermodynamic temperature

C

Luminous intenstiy

D

Amount of substance

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The correct Answer is:
A
The SI unit of mass is kilogram in which 'kilo' is the prefix.
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NCERT FINGERTIPS-UNITS AND MEASUREMENTS-Assertion And Reason
  1. In Internationan System of units, there are seven base quantities whos...

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  2. Assertion: The units of some physical quantities can be expressed as c...

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  3. Assertion: When we change the unit of measurerment of a quantity its n...

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  4. Assertion : Parallax method cannot be used for measuring distance of ...

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  5. Assertion: Light year is the distance that light travels with velocity...

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  6. Assertion: When percentage error in the meansurement of mass and veloc...

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  7. Assertion: The number 1.202 has four significant figure and the number...

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  8. Assertion: A number 2.746 rounded off to three significant figures is ...

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  9. Assertion: The given equation x = x(0) + u(0)t + (1)/(2) at^(2) is dim...

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  10. Assertion: A dimensionally wrong or inconsistaent equation must be wro...

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  11. Assertion: Force can be added to pressure. Reason: Force and pressur...

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  12. Assertion : 'Light year' and 'Wavelength' both measure distance. Rea...

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  13. Assertion: Pressure can not be subtracted from pressure gradient. Re...

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  14. Assertion: Both velocity and speed have same dimensions. Reason: Vel...

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  15. Assertion: The dimensional formula of surface energy is [M^(1)L^(2)T^(...

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  16. Assertion: Angle and angular displacement a dimensionless quantities....

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