The unit of angular acceleration in the SI system is 

(1) Nkg1

(2) ms2

(3) rads2

(4) mkg1K

Subtopic:  Dimensions |
 72%
From NCERT
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Joule-second is the unit of :

(1) Work

(2) Momentum

(3) Pressure

(4) Angular momentum

Subtopic:  Dimensions |
From NCERT
PMT - 1990
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A cube has a numerically equal volume and surface area. The volume of such a cube is :

1. 216 units

2. 1000 units

3. 2000 units

4. 3000 units

Subtopic:  Dimensions |
 64%
From NCERT
PMT - 1971
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Electron volt is a unit of 

(1) Charge

(2) Potential difference

(3) Momentum

(4) Energy

Subtopic:  Dimensions |
From NCERT
PMT - 1993
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Temperature can be expressed as a derived quantity in terms of any of the following:

1. Length and mass 2. Mass and time
3. Length, mass, and time 4. None of the above
Subtopic:  Dimensions |
 72%
From NCERT
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The density of wood is 0.5gm/cc in the CGS system of units. The corresponding value in MKS units is :

(1) 500

(2) 5

(3) 0.5

(4) 5000

Subtopic:  Dimensions |
 61%
From NCERT
PMT - 1983
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Which is the correct unit for measuring nuclear radii

(1) Micron

(2) Millimetre

(3) Angstrom

(4) Fermi

Subtopic:  Dimensions |
 55%
From NCERT
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Volt/metre is the unit of 

(1) Potential

(2) Work

(3) Force

(4) Electric field intensity

Subtopic:  Dimensions |
 65%
From NCERT
PMT - 1984
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The velocity of a particle depends upon as v=a+bt+ct2; if the velocity is in m/sec, the unit of a will be 

(1) m/sec

(2) m/sec2

(3) m2/sec

(4) m/sec3

Subtopic:  Dimensions |
 75%
From NCERT
PMT - 1990
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If the unit of length and force be increased four times, then the unit of energy is 

1. Increased 4 times

2. Increased 8 times

3. Increased 16 times

4. Decreased 16 times

Subtopic:  Dimensions |
 67%
From NCERT
PMT - 2005
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