Universal time is based on :

(1) Rotation of the earth on its axis

(2) Earth's orbital motion around the Sun

(3) Vibrations of cesium atom

(4) Oscillations of quartz crystal

Subtopic:  Dimensions |
From NCERT
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Unit of moment of inertia in MKS system 

(1) kg×cm2

(2) kg/cm2

(3) kg×m2

(4) Joule×m

Subtopic:  Dimensions |
 68%
From NCERT
PMT - 1984
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Unit of stress is 

(1) N/m

(2) Nm

(3) N/m2

(4) Nm2

Subtopic:  Dimensions |
 76%
From NCERT
PMT - 1984
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Unit of magnetic moment is

(1) Amperemetre2

(2) Amperemetre

(3) Webermetre2

(4) Weber​​/metre

Subtopic:  Dimensions |
 54%
From NCERT
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Curie is a unit of 

1. Energy of γ-rays

2. Half life

3. Radioactivity

4. Intensity of γ-rays

Subtopic:  Dimensions |
 74%
From NCERT
PMT - 1992
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Hertz is the unit of

(1) Frequency

(2) Force

(3) Electric charge

(4) Magnetic flux

Subtopic:  Dimensions |
 92%
From NCERT
PMT - 1999
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One pico Farad is equal to

(1) 1024F

(2) 1018F

(3) 1012F

(4) 106F

Subtopic:  Dimensions |
 79%
From NCERT
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In SI, Henry is the unit of 

(1) Self inductance

(2) Mutual inductance

(3) (1) and (2) both

(4) None of the above

Subtopic:  Dimensions |
 78%
From NCERT
PMT - 1993
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The unit of e.m.f. is 

(1) Joule

(2) Joule-Coulomb

(3) VoltCoulomb

(4) Joule/Coulomb

Subtopic:  Dimensions |
From NCERT
PMT - 1986
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Unit of self inductance is [This question includes concepts from 12th syllabus]

(1) Newton-secondCoulomb×Ampere

(2) Joule/Coulomb×SecondAmpere

(3) Volt×metreCoulomb

(4) Newton×metreAmpere

Subtopic:  Dimensions |
 59%
From NCERT
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