The unit of specific resistance is 

(1) Ohm / cm2

(2) Ohm / cm

(3) Ohm - cm

(4) (Ohm - cm)-1

Subtopic:  Dimensions |
 54%
From NCERT
PMT - 1975
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The binding energy of a nucleon in a nucleus is of the order of a few 

(1) eV

(2) Ergs

(3) MeV

(4) Volts

Subtopic:  Dimensions |
 56%
From NCERT
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Parsec is a unit of :

(1) Distance

(2) Velocity

(3) Time

(4) Angle

Subtopic:  Dimensions |
 61%
From NCERT
AIIMS - 2005
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If \(u_1\) and \(u_2\) are the units selected in two systems of measurement and \(n_1\) and \(n_2\) are their numerical values, then:

1. \(n_1u_1=n_2u_2\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \)
2. \(n_1u_1+n_2u_2=0\)
3. \(n_1n_2=u_1u_2\)
4. \((n_1+u_1)=(n_2+u_2)\)
Subtopic:  Dimensions |
 85%
From NCERT
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eV is 

(1) Same as one joule

(2) 1.6×1019J

(3) 1 V

(4) 1.6×1019C

Subtopic:  Dimensions |
 75%
From NCERT
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1kWh=

(1) 1000W

(2) 36×105J

(3) 1000J

(4) 3600J

Subtopic:  Dimensions |
 66%
From NCERT
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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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