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DP IB Physics: SL

Topic Questions

Home / IB / Physics: SL / DP / Topic Questions / 1. Measurement & Uncertainties / 1.1 Measurements in Physics / Multiple Choice


1.1 Measurements in Physics

Question 1

Marks: 1

Which of the following is not an SI base unit?

  • volt

  • kilogram

  • kelvin

  • mole

Choose your answer
  
Key Concepts
SI Units

Question 2

Marks: 1

What are the SI base units for frequency, f?

  • s

  • s−1

  • s−2

  • s−3

Choose your answer
  
Key Concepts
SI Units

Question 3

Marks: 1

Which line in the table shows the metric multipliers in order of increasing value?

A.

μ

c

k

G

M

B.

G

T

n

c

p

C.

k n M T G

D.

p n

c

G

T

    Choose your answer
      

    Question 4

    Marks: 1

    Which product-pair of metric multipliers has the greatest magnitude?

    • pico × mega

    • nano × kilo

    • micro × giga

    • milli × tera

    Choose your answer
      

    Question 5

    Marks: 1

    Which of the following values is not given to 3 significant figures?

    • 4.00 × 102

    • 5190

    • 6230.00 

    • 503 00 

    Choose your answer
      

    Question 6

    Marks: 1

    A physicist measured the reaction time of a person pushing a buzzer to be 0.00289354 s.

    Which answer gives the measurement to 4 significant figures?

    • 0.0028

    • 0.002893

    • 0.003

    • 0.0028935

    Choose your answer
      
    Key Concepts
    Significant Figures

    Question 7

    Marks: 1

    What are the SI base units for gravitational field strength, g?

    • N

    • m s−2

    • N kg−1

    • J kg−1

    Choose your answer
      
    Key Concepts
    SI Units

    Question 8

    Marks: 1

    Some physical quantities can be measured directly, whereas others can only be estimated.

    Which of the following rows in the table is correct?

     

     

    Physical Quantity

    Measurable or estimated

    A.

    length of a football field

    estimated

    B.

    age of the universe

    measurable

    C.

    potential difference of a mains supply estimated

    D.

    speed of sound

    measurable

      Choose your answer
        

      Question 9

      Marks: 1

      The length of a bacterium is approximately 2 × 10−6 m, and the distance from Earth to the Moon is approximately 3.8 × 108 m.

      How many orders of magnitude greater is the distance from Earth to the Moon than the length of a bacterium?

      • 102

      • 106

      • 1014 

      • 1022

      Choose your answer
        
      Key Concepts
      Orders of Magnitude

      Question 10

      Marks: 1

      Cape Town is 9 700 000 m from London.

      What is the order of magnitude of this distance?

      • 106

      • 107

      • 108

      • 109

      Choose your answer
        
      Key Concepts
      Orders of Magnitude