The unit of Planck's constant is:

(1) Joule

(2) Joule/s

(3) Joule/m

(4) Joule-s

Subtopic:  Dimensions |
 66%
From NCERT
PMT - 1999
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Number of base SI units is

(1) 4

(2) 7

(3) 3

(4) 5

Subtopic:  Dimensions |
 80%
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SI unit of permittivity is:

(1) C2m2N1

(2) C1m2N2

(3) C2m2N2

(4) C2m2N1

Subtopic:  Dimensions |
 65%
From NCERT
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Which does not has the same unit as others

(1) Watt-sec

(2) Kilowatt-hour

(3) eV

(4) J-sec

Subtopic:  Dimensions |
 52%
From NCERT
PMT - 2004
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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

Subtopic:  Dimensions |
 59%
From NCERT
PMT - 2004
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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

Subtopic:  Dimensions |
 56%
From NCERT
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The unit of Young’s modulus is

(1) Nm2

(2) Nm2

(3) Nm

(4) Nm1

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 80%
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One femtometer is equivalent to

(1) 1015m

(2) 1015m

(3) 1012m

(4) 1012m

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 69%
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How many wavelengths of Kr86 are there in one metre

(1) 1553164.13

(2) 1650763.73

(3) 652189.63

(4) 2348123.73

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 60%
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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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 80%
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