SI unit of pressure is

(1) Pascal

(2) Dynes/cm2

(3) cm of Hg

(4) Atmosphere

Subtopic:  Dimensions |
 80%
From NCERT
PMT - 1984
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The unit of angular acceleration in the SI system is 

(1) Nkg1

(2) ms2

(3) rads2

(4) mkg1K

Subtopic:  Dimensions |
 70%
From NCERT
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The unit of Stefan's constant σ is : [This question includes concepts from Thermal Properties of Matter chapter]

(1) Wm2K1

(2) Wm2K4

(3) Wm2K4

(4) Wm2K4

Subtopic:  Dimensions |
 57%
From NCERT
PMT - 1992
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In \(S= a+bt+ct^2,~S\) is measured in metres and \(t\) in seconds. The unit of \(c\) will be:

1. none 2. \(\text{m}\)
3. \(\text{ms}^{-1}\) 4. \(\text{ms}^{-2}\)
Subtopic:  Dimensions |
 75%
From NCERT
PMT - 1993
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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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Unit of energy in SI system is 

(1) Erg

(2) Calorie

(3) Joule

(4) Electron volt

Subtopic:  Dimensions |
 80%
From NCERT
PMT - 1971
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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 |
 63%
From NCERT
PMT - 1971
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Wavelength of ray of light is 0.00006m. It is equal to 

(1) 6  microns

(2) 60  microns

(3) 600  microns

(4) 0.6  microns

Subtopic:  Dimensions |
 55%
From NCERT
PMT - 1977
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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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