Physics - Questions and AnswersPage 1
1. | | Parsec is the unit of | | (a)Distance | | (b)Time | | (c)Intensity of light | | (d)Magnetic flux |
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Answer is: AExplanation not available for this question.
2. | | Which pair is wrong ? | | (a)Pressure - Barometer | | (b)Relative density - Pyrometer | | (c)Temperature - Thermometer | | (d)Earthquake - Seismograph |
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Answer is: BA hydrometer is an instrument used to measure the relative density.
A pyrometer is a type of thermometer used to measure high temperatures.
3. | | Which of the following pairs of physical quantities has the same dimensions ? | | (a)Work and Power | | (b)Momentum and energy | | (c)Force and Power | | (d)Work and Energy |
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Answer is: BNA
4. | | Maxwell is the unit of | | (a)Permeability | | (b)Magnetic flux | | (c)Magnetic susceptibility | | (d)Intensity of magnetization |
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Answer is: BNA
5. | | Which of the following physical quantity is dimensionless ? | | (a)Strain | | (b)Angle | | (c)Specific gravity | | (d)All of these |
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Answer is: DNA
6. | | Potential is measured in | | (a)Watt | | (b)Joule | | (c)Joule/coulomb | | (d)Newton-second |
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Answer is: CNA
7. | | Which of the following is not matched ? | | (a)Decibel - Unit of sound | | (b)Horse power - Unit of power | | (c)Nautical mile - Unit of distance | | (d)Celsius - Unit of heat |
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Answer is: DNA
8. | | The most suitable unit for expressing nuclear radius is ? | | (a)Micron | | (b)Nanometer | | (c)Fermi | | (d)Angstrom |
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Answer is: CNA
9. | | Which of the following is not the unit of time ? | | (a)Micro second | | (b)Parallactic second | | (c)Leap year | | (d)Solar day |
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Answer is: BNA
10. | | Which of the following physical quantities have the same dimensions ? | | (a)Momentum and Impulse | | (b)Force constant and Moment of inertia | | (c)Energy and Angular momentum | | (d)Power and Young's modulus |
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Answer is: ANA
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