# 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. ## Important Units, Measurements Errors MCQ PDF

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

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

Correct Answer : [A] Stress

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

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

Correct Answer : [A] N/ sq m

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

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

Correct Answer : [B] Stress

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

Correct Answer : [A] Frequency

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

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)

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

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

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

Correct Answer : [A] frequency

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

Correct Answer : [B] becquerel

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

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

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

Correct Answer : [C] relative density

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

Correct Answer : [B] kgms-1

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

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

Correct Answer : [A] very large distances

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

Correct Answer : [D] newton

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

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

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

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

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.

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

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

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

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]

Correct Answer : [A] [ILT^2]

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

Correct Answer : [B] hygrometer

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

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
[C] Gas thermometers
[D] liquid thermometers

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

Correct Answer : [A] pyrometer

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

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

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