A light-year is a unit of: 
1. Time 2. Mass
3. Distance 4. Energy
Subtopic:  Measurement & Measuring Devices |
 74%
From NCERT
PMT - 1989
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Which of the following is not equal to a watt?
1. Joule/second
2. Ampere\(\times\) volt
3. (Ampere)2\(\times\) ohm
4. Ampere/volt

Subtopic:  Dimensions |
From NCERT
PMT - 1990
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Newton–second is the unit of  

1. Velocity

2. Angular momentum

3. Momentum

4. Energy

Subtopic:  Dimensions |
From NCERT
PMT - 1984
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The unit of power is :

1. Joule

2. Joule per second only

3. Joule per second and watt both

4. Only watt

Subtopic:  Dimensions |
 65%
From NCERT
PMT - 1985
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SI unit of pressure is

1. Pascal

2. Dynes/cm2

3. cm of Hg

4. Atmosphere

Subtopic:  Dimensions |
 81%
From NCERT
PMT - 1984
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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 |
 76%
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 |
 62%
From NCERT
PMT - 1971
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