IGCSE Units Flashcards by S Buchan

Q

Length (l), Height (h), Distance (d)

A

m (or km, cm, mm)

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Q

Area (A)

A

m² (or cm²)

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Q

Volume (V)

A

m³ (or dm³, cm³)

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Q

Weight (W)

A

N

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Q

Time (t)

A

s (or min, h, ms)

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Q

Density (d or ρ)

A

kg/m³ or g/cm³

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Q

mass (m)

A

kg (or g, mg)

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Q

speed (s)

A

m/s (or km/h, cm/s)

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Q

Velocity (u = initial velocity v = final velocity)

A

m/s (or km/h, cm/s)

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Q

acceleration (a)

A

m/s²

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Q

acceleration of free fall or gravity (g) g = 10 on earth

A

m/s²

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Q

Force (F)

A

N

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Q

Work Done (W)

A

J

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Q

Energy (E)

A

J

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Q

Power (P)

A

W

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Q

Pressure (P)

A

Pa (or N/m² or N/cm²)

Q

Temperature (T)

A

°C

Q

Specific Heat Capacity (c)

A

J/(kg°C)

Q

Frequency (f)

A

Hz

Q

Wavelength (λ)

A

m (or cm)

Q

Focal Length (f)

A

cm or mm

Q

Angle of incidence (i)

A

degree (°)

Q

Angle of refraction (r)

A

degree (°)

Q

Angle of reflection (r)

A

degree (°)

Q

Critical Angle (c)

A

degree (°)

Q

potential difference / voltage (V)

A

V (or mV)

Q

Current (I)

A

A (or mA)

Q

Charge (Q)

A

C(or As)

Q

E.m.f. (E)

A

V

Q

Resistance (R)

A

Ω