Practice test

Unit and measurements - Test Set 5

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    Identify the unit of measuring intensity of sound.
    1. Knots
    2. Ampere
    3. Candela
    4. Decibel
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  2. Question 2

    What is the unit of the physical quantity, Momentum?
    1. Newton second
    2. Joule second
    3. Erg second
    4. Pascal second
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  3. Question 3

    Frequency is measured in
    1. metre/second
    2. hertz
    3. radian
    4. watt
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  4. Question 4

    What is measured in hertz?
    1. Energy
    2. Heat
    3. Frequency
    4. Quality
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  5. Question 5

    Which one of the following physical quantities has the same unit as that of pressure?
    1. Angular momentum
    2. Stress
    3. Strain
    4. Work
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  6. Question 6

    Angstrom is a unit of
    1. wavelength
    2. energy
    3. frequency
    4. velocity
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  7. Question 7

    What is the unit of pressure?
    1. Newton-metre
    2. Newton
    3. Newton/metre
    4. Newton/sq metre
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  8. Question 8

    The unit of pressure is
    1. kg/cm²
    2. kg/cm
    3. kg/mm
    4. None of these
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  9. Question 9

    Which one of the following quantities does not have unit?
    1. Stress
    2. Force
    3. Strain
    4. Pressure
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  10. Question 10

    Which one of the following is not the unit of heat?
    1. Centigrade
    2. Calorie
    3. Erg
    4. Joule
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  11. Question 11

    Which of the following is the SI unit of temperature?
    1. Reaumur scale
    2. Kelvin
    3. Candela
    4. Ampere
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  12. Question 12

    Which one of the following is the unit of force?
    1. Pascal
    2. Watt
    3. Joule
    4. Newton
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  13. Question 13

    Light year is a unit for measurement of
    1. time interval in years
    2. mass of atoms
    3. very large distances
    4. amount of light received on earth in a year
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  14. Question 14

    Light year is the unit of _________ .
    1. length
    2. mass
    3. time
    4. area
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  15. Question 15

    The unit of momentum is
    1. kgms²
    2. kgms⁻¹
    3. kgms
    4. kgms⁻²
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  16. Question 16

    Which of the following quantities does not have any unit?
    1. Speed
    2. Density
    3. Relative density
    4. Acceleration
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  17. Question 17

    Maxwell is the unit of which one of the following?
    1. Magnetic flux
    2. Permeability
    3. Magnetic susceptibility
    4. Intensity of magnetisation
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  18. Question 18

    The SI unit of radioactivity is __________ .
    1. Becquerel
    2. Ampere
    3. Decibel
    4. Cobolt
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  19. Question 19

    The SI unit of weight is
    1. kilogram
    2. newton
    3. gram
    4. dyne
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  20. Question 20

    The SI unit for electrical resistivity is
    1. ampere/metre
    2. volt/metre
    3. tesla
    4. ohm metre
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