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CAIE A-Level Physics AS 1.1 Physical Quantities Questions

Practise recognising complete physical quantities and estimating realistic values in familiar contexts.

Syllabus
2028–2030
Course
Physics 9702
Level
AS

Covered syllabus points

1.1.1—All physical quantities consist of a numerical magnitude and a unit1.1.2—Physical quantities included within the syllabus

Question 1

[Maximum number: 1]

What must be included in a record of a physical quantity?

A

an integer value for the quantity

B

an SI unit

C

a numerical value for the quantity

D

a unit expressed in base units

Question 2

[Maximum number: 1]

A student estimates the maximum speed of some different moving objects.
Which maximum speed is not a reasonable estimate?

A

container ship: 10 m s−110 \mathrm{~m} \mathrm{~s}^{-1}

B

Olympic sprinter: 0.1 km s−10.1 \mathrm{~km} \mathrm{~s}^{-1}

C

racing car: 9000 cm s−19000 \mathrm{~cm} \mathrm{~s}^{-1}

D

snail: 0.01 km h−10.01 \mathrm{~km} \mathrm{~h}^{-1}

Question 3

[Maximum number: 1]

What represents a physical quantity?

A

3.0

B

kilogram

C

7.0 N7.0 \mathrm{~N}

D

40\%

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