50+ Important Units, Measurements Errors MCQ Quiz with PDF

Finding for Most Units, Measurements Errors MCQ Quiz with PDF Physics ? Then you are in right page. In this page we select top most questions from that chapter. For your’s best practice , we place the all questions in quiz format. Beside that you can download Physical Science All Units Measurement MCQ Multiple Choice Questions PDF from this below given link directly.

Units, measurements error mcq

Important Units, Measurements Errors MCQ PDF

1. Which one of the following is not the unit of heat ?
[A] Centigrade
[B] Calorie
[C] Erg
[D] Joule

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Correct Answer : [A] Centigrade

2. Which one of the following quantities does not have unit ?
[A] Stress
[B] Force
[C] Strain
[D] Pressure

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Correct Answer : [A] Stress

3. The unit of pressure is ?
[A] kg/cm2
[B] kg/cm
[C] kg/mm
[D] none of this

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Correct Answer : [D] none of this

4. What is the unit of pressure ?
[A] N/ sq m
[B] N-m
[C] N
[D] N/m

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Correct Answer : [A] N/ sq m

5. Angstrom is a unit of ?
[A] Wavelength
[B] energy
[C] frequency
[D] velocity

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Correct Answer : [A] Wavelength

6. Which one f the following physical quantities has the same unit as that of pressure ?
[A] Angular momentum
[B] Stress
[C] Strain
[D] Work

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Correct Answer : [B] Stress

7. What is measured of hertz ?
[A] Frequency
[B] energy
[C] heat
[D] quality

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Correct Answer : [A] Frequency

8. Frequency is measured in ?
[A] hertz
[B] m/s
[C] radian
[D] watt

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Correct Answer : [A] hertz

9. What is the unit of the physical quantity, Momentum ?
[A] Newton second (N s)
[B] Joule second (J s)
[C] Erg second (E s)
[D] Pascal second (P s)

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Correct Answer : [A] Newton second (N s)

10. Identify the unit of measuring intensity of sound ?
[A] Knots
[B] Ampere
[C] Candela
[D] Decibel

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Correct Answer : [D] Decibel

Top MCQ On Units, Measurements Errors PDF

11. Hertz is the SI unit of ?
[A] frequency
[B] force
[C] pressure
[D] energy

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Correct Answer : [A] frequency

12. The SI unit of radioactivity is ?
[A] ampere
[B] becquerel
[C] decibel
[D] cobolt

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Correct Answer : [B] becquerel

13. The SI unit of weight is ?
[A] kilogram
[B] newton
[C] gram
[D] dyne

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Correct Answer : [A] kilogram

14. Maxwell is the unit of which one of the following ?
[A] magnetic flux
[B] permeability
[C] magnetic susceptibility
[D] intensity magnetisation

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Correct Answer : [A] magnetic flux

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15. Which of the following quantities does not have any unit ?
[A] speed
[B] density
[C] relative density
[D] acceleration

Show Answer

Correct Answer : [C] relative density

16. The unit of momentum is ?
[A] kgms2
[B] kgms-1
[C] kgms
[D] kgms-2

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Correct Answer : [B] kgms-1

17. Light year is the unit of ?
[A] length
[B] mass
[C] time
[D] area

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Correct Answer : [A] length

18. Light year is a unit for measurement of ?
[A] very large distances
[B] time interval in years
[C] amount of light received on earth on earth in year
[D] mass of atoms

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Correct Answer : [A] very large distances

19. Which of the following is the unit of force ?
[A] pascal
[B] watt
[C] joule
[D] newton

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Correct Answer : [D] newton

20. Which of the following is the SI unit of temperature ?
[A] kelvin
[B] Reaumur scale
[C] candela
[D] ampere

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Correct Answer : [A] kelvin

Physics Units, Measurements Errors Top MCQ Questions Quiz

21. The SI unit for electrical resistivity is ?
[A] ampere/metre
[B] volt/metre
[C] tesla
[D] ohm metre

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Correct Answer : [D] ohm metre

22. Which of the following quantities have its SI unit named after Blaise Pascal ?
[A] energy
[B] pressure
[C] work
[D] power

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Correct Answer : [B] pressure

23. Newton-metre (N-m) is the SI unit of which of the following quantity ?
[A] acceleration
[B] torque
[C] power
[D] force

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Correct Answer : [B] torque

24. Light year is ?
[A] light emitted by sun in one year.
[B] time taken by light to travel from sun to earth.
[C] the distance travelled by light in free space in one year.
[D] time taken by earth to go once around the sun.

Show Answer

Correct Answer : [C] the distance travelled by light in free space in one year.

25. A nautical mile is equal to ___ ?
[A] 2000 mts
[B] 1852 mts
[C] 1672 mts
[D] 2450 mts

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Correct Answer : [D] 2450 mts

26. Which one of the following is the value of 1 nanometer ?
[A] 10-7 cm
[B] 10-6 cm
[C] 10-4 cm
[D] 10-3 cm

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Correct Answer : [A] 10-7 cm

27. 1 dyne is equal to ?
[A] 10^3 g-cm/s2
[B] 10^-3 g-cm/s2
[C] 10^5 kg-cm/s2
[D] 10^-5 kg-m/s2

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Correct Answer : [A] 10^3 g-cm/s^2

28. If a physical quantity has the units-ampere meters per second squared, then what are it’s dimensions ?
[A] [ILT^2]
[B] [ALT^2]
[C] [IMS^2]
[D] [AMS^-2]

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Correct Answer : [A] [ILT^2]

29. Which instrument is used to measure humidity ?
[A] hydrometer
[B] hygrometer
[C] pyrometer
[D] lactometer

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Correct Answer : [B] hygrometer

30. Electroencephaogram (ECG) is used in monitoring ?
[A] heart
[B] liver
[C] pancreas
[D] brain

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Correct Answer : [D] brain

Most Important Questions On Units, Measurements Errors Quiz

31. Which one of the following thermometers is known as pyrometer ?
[A] Thermo-electric thermometers
[B] Radiation thermometers 
[C] Gas thermometers
[D] liquid thermometers

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Correct Answer : [B] Radiation thermometers 

32. Which one of the following devices is used to measure extremely high temperature?
[A] pyrometer
[B] photometer
[C] phonometer
[D] pycnometer

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Correct Answer : [A] pyrometer

33. Pyrheliometer is used for measuring?
[A] sun spots
[B] solar radiation
[C] air temperature
[D] temperature of plants

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Correct Answer : [B] solar radiation

34. The density of milk is measured by?
[A] lactometer
[B] hydrometer
[C] barometer
[D] hygrometer

Show Answer

Correct Answer : [A] lactometer

35. A student measures certain lengths using a meter scale having least count equal to 1 mm. ?
[A] 0.50 mm
[B] 29.07 mm
[C] 0.925 mm
[D] 910 mm

Show Answer

Correct Answer : [A] 0.50 mm

Important Units, Measurements Errors MCQ PDF Download

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