The magnitude of any physical quantity:

1. depends on the method of measurement.
2. does not depend on the method of measurement.
3. is more in the SI system than in the CGS system.
4. is directly proportional to the fundamental units of mass, length and time.

Subtopic:  Dimensions |
Level 4: Below 35%
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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 |
Level 3: 35%-60%
PMT - 1990
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Newton–second is the unit of  

1. Velocity

2. Angular momentum

3. Momentum

4. Energy

Subtopic:  Dimensions |
Level 3: 35%-60%
PMT - 1984
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Which of the following is not represented in correct unit  

1. StressStrain=N/m2

2. Surface tension = N/m

3. Energy =kg​-​m/sec

4. Pressure =N/m2

Subtopic:  Dimensions |
 58%
Level 3: 35%-60%
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One second is equal to :

1. 1650763.73 time periods of Kr clock

2. 652189.63 time periods of Kr clock

3. 1650763.73 time periods of Cs clock

4. 9192631770 time periods of Cs clock

Subtopic:  Dimensions |
Level 4: Below 35%
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One nanometre is equal to:
1. \(10^9~\text{mm}\)
2. \(10^{-6}~\text{cm}\)
3. \(10^{-7}~\text{cm}\)
4. \(10^{-9}~\text{cm}\)

Subtopic:  Dimensions |
Level 3: 35%-60%
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A \(\text{micron}\) is related to \(\text{centimetre}\) as:
1. \(1~\text{micron}=10^{-8}~\text{cm}\)
2. \(1~\text{micron}=10^{-6}~\text{cm}\)
3. \(1~\text{micron}=10^{-5}~\text{cm}\)
4. \(1~\text{micron}=10^{-4}~\text{cm}\)
Subtopic:  Dimensions |
Level 3: 35%-60%
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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%
Level 2: 60%+
PMT - 1985
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A suitable unit for gravitational constant is:

1. kg- msec1

2. Nm1sec

3. N  m2kg2

4. kgmsec1

Subtopic:  Dimensions |
 75%
Level 2: 60%+
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SI unit of pressure is

1. Pascal

2. Dynes/cm2

3. cm of Hg

4. Atmosphere

Subtopic:  Dimensions |
 81%
Level 1: 80%+
PMT - 1984
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