Candela is the unit of

(1) Electric intensity

(2) Luminous intensity

(3) Sound intensity

(4) None of these

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The unit of reactance is

(1) Ohm

(2) Volt

(3) Mho

(4) Newton

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The unit of Planck's constant is:

(1) Joule

(2) Joule/s

(3) Joule/m

(4) Joule-s

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Number of base SI units is

(1) 4

(2) 7

(3) 3

(4) 5

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SI unit of permittivity is

(1) ${C}^{2}{m}^{2}{N}^{-1}$

(2) ${C}^{-1}{m}^{2}{N}^{-2}$

(3) ${C}^{2}{m}^{2}{N}^{2}$

(4) ${C}^{2}{m}^{-2}{N}^{-1}$

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Which does not has the same unit as others

(1) Watt-sec

(2) Kilowatt-hour

(3) eV

(4) J-sec

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Unit of surface tension is

(1) $N{m}^{-1}$

(2) $N{m}^{-2}$

(3) ${N}^{2}{m}^{-1}$

(4) $N{m}^{-3}$

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Which of the following system of units is not based on units of mass, length and time alone

(1) SI

(2) MKS

(3) FPS

(4) CGS

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The unit of the coefficient of viscosity in S.I. system is

(1) $m/kg\text{​-​}s$

(2) $m\text{​-​}s\text{​}/\text{​}k{g}^{2}$

(3) $kg\text{​}/\text{​}m\text{​-​}{s}^{2}$

(4) $kg\text{​}/\text{​}m\text{​-​}s$

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The unit of Young’s modulus is

(1) $N{m}^{2}$

(2) $N{m}^{-2}$

(3) Nm

(4) $N{m}^{-1}$

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