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) Nm1

(2) Nm2

(3) N2m1

(4) Nm3

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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​-​s

(2) m​-​s/kg2

(3) kg/m​-​s2

(4) kg/m​-​s

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The unit of Young’s modulus is

(1) Nm2

(2) Nm2

(3) Nm

(4) Nm1

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One femtometer is equivalent to

(1) 1015m

(2) 1015m

(3) 1012m

(4) 1012m

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How many wavelength of Kr86 are there in one metre

(1) 1553164.13

(2) 1650763.73

(3) 652189.63

(4) 2348123.73

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Which of the following pairs is wrong

(1) Pressure-Baromter

(2) Relative density-Pyrometer

(3) Temperature-Thermometer

(4) Earthquake-Seismograph

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Select the pair whose dimensions are same

(1) Pressure and stress

(2) Stress and strain

(3) Pressure and force

(4) Power and force

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Dimensional formula ML1T2 does not represent the physical quantity

(1) Young's modulus of elasticity

(2) Stress

(3) Strain

(4) Pressure

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