Practice test

Unit and measurements - Test Set 1

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

    Which of the following NOT a unit of Length?
    1. Light year
    2. Micron
    3. AU
    4. Radian
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  2. Question 2

    Dyne/sec. stands for the Unit of
    1. Force
    2. Momemtum
    3. Energy
    4. Power
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  3. Question 3

    Among the following select the Odd one-
    1. Metre
    2. Furlong
    3. Acre
    4. Mile
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  4. Question 4

    Light year is a unit of
    1. Time
    2. Distance
    3. Light
    4. Intensity of light
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  5. Question 5

    1 nm is equivalent to
    1. 10 A
    2. 100 A
    3. 10 um
    4. 0.01 mm
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  6. Question 6

    Nuclear sizes are expressed in a unit named-
    1. Fermi
    2. Angstrom
    3. Newton
    4. Tesla
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  7. Question 7

    Identify the vector quantity from the following:
    1. Heat
    2. Angular momentum
    3. Time
    4. Work
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  8. Question 8

    Which of the following is not a unit of distance?
    1. Light year
    2. Parsec
    3. Furlong
    4. Jiffy
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  9. Question 9

    Dilatometer is used for the measurement of
    1. electrical energy
    2. mechanical energy
    3. dimensional change in material
    4. thermal energy
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  10. Question 10

    How many watt are there in a horsepower?
    1. 1000
    2. 750
    3. 746
    4. 748
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  11. Question 11

    The smallest unit of length is-
    1. Micron
    2. Nanometre
    3. Angstrom
    4. Fermi
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  12. Question 12

    In SONAR, we use
    1. Radio waves
    2. Audible sound waves
    3. Ultrasonic waves
    4. Infrasonic waves
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  13. Question 13

    Which is measured by Manometer?
    1. Air pressure
    2. Pressure of gas
    3. Density of liquids
    4. Pressure of oil on the surface
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  14. Question 14

    How many fundamental (base) units are there in the International System of Units (SI)?
    1. 5
    2. 7
    3. 9
    4. 11
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  15. Question 15

    Which one of the following is a complementary unit in the International System of Units (SI)?
    1. Newton
    2. Joule
    3. Watt
    4. Radian
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  16. Question 16

    Which of the following pairs represents the two complementary units in the International System of Units (SI)?
    1. Newton and Joule
    2. Radian and Steradian
    3. Hertz and Decibel
    4. Pascal and Ohm
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  17. Question 17

    What is the SI unit of plane angle?
    1. Radian
    2. Degree
    3. Gradian
    4. Staradian
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  18. Question 18

    What is the SI unit of solid angle?
    1. Radian
    2. Degree
    3. Gradian
    4. Staradian
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  19. Question 19

    Chandrasekhar Limit is a unit of:
    1. Stellar luminosity
    2. Black hole event horizon size
    3. mass of a subject
    4. Neutron star rotation speed
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  20. Question 20

    Which of the following is the largest unit of mass?
    1. Kilogram
    2. Solar Mass
    3. Chandrasekhar Limit
    4. Planck Mass
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