Question 21 : One Newton force produces an acceleration of
1. 1 m/sec² while acting on a body of 1 kg mass
2. 1 cm/sec² while acting on a body of 1 gm mass
3. 1 cm/sec² while acting on a body of 1 kg mass
4. 1 m/sec² while acting on a body of 1 gm mass.
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Question 22 : 100 kN/m² pressure is equal to
1. 1 bar
2. 1 m bar
3. 1 mm Hg
4. 1 atm
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Question 23 : Angular acceleration is expressed as
1. m/s²
2. rad/s
3. w/s²
4. rad/s²
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Question 24 : One Netwon force equals
1. 10⁴ dynes
2. 10⁵ dynes
3. 10³ dynes
4. 10² dynes
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Question 25 : In S.I. system, the symbol for density is
1. kg
2. kg/m³
3. m³/s
4. N/m³
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Question 26 : The fundamental units in S.I. system, are the same as that of
1. C.G.S. units
2. F.P.S. units
3. M.K.S. units
4. None of these.
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Question 27 : The thickness of a micron, is
1. 10^-12 m
2. 10^-6 m
3. 10^-9 m
4. 10^-3 m
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Question 28 : Intensity of electric current is expressed in
1. watts
2. volts
3. joules
4. amperes
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Question 29 : The basic quantity in the International system of units, is
1. electric current
2. mole and light intensity
3. time and temperature
4. all
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Question 30 : SI unit for the surface tension, is
1. kg/m
2. kg/m²
3. N/m
4. kg/m³
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