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Quantities used in the book

Table 1: Units used in the book

Physical Quantities

Quantity

Unit name

Unit symbol

Amplitude (A)

metre

m

Atomic mass unit (amu)

u

u

Average acceleration (a av )

metre per second squared

m·s−2

Average speed (v av )

metre

m

Average velocity (v av )

metre per second

m·s−1

Charge (Q)

coulomb

C

Concentration (C)

mol per decimetre cubed

mol·dm−3

Current (I)

ampere

A

Density (d)

grams per centimetre cubed

g·cm−3

Displacement (Δx)

metre

m

Distance (D)

metre

m

Energy (E)

Joule

J

Frequency (f)

Hertz

Hz

Instantaneous acceleration (a )

metre per second squared

m·s−2

Instantaneous speed (v av )

metre per second

m·s−1

Instantaneous velocity (v )

metre per second

m·s−1

Intensity (I)

deciBel

dB

Magnitude of acceleration (a)

metre per second squared

m·s−2

Mass (m)

gram

g

Molar mass (M)

gram per mol

g·mol−1

Mole (n)

mole

mol

Table 2: Units used in the book

Physical Quantities

Quantity

Unit name

Unit symbol

Period (T)

second

s

Position (x)

metre

m

Potential difference (V)

Volt

V

Pulse speed (v)

metre per second

m·s−1

Resistance (R)

Ohm

Ω

Temperature (T)

degrees

°

Volume (V)

decimetre cubed

dm−3

Wavelength (λ)

metre

m

Wavespeed (v)

metre per second

m·s−1