Booklet 2A - Particles (Equations) Flashcards

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1
Q

(Define symbols and units)

A

W - work done (J)

Q - charge (C)

V - potential difference (V)

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2
Q

(Define symbols and units)

A

E - Energy (J)

m - mass (kg)

c - speed of light (ms-1)

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3
Q

(Define symbols and units)

A

E - photon energy (J)

h - Planck’s constant (See Data Sheet - J s)

f - photon frequency (Hz)

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4
Q

(Define symbols and units)

A

Ek - kinetic energy of emitted electron (J)

h - Planck’s constant (see data sheet - J s)

f - light/photon frequency (Hz)

fo - thershold frequency (Hz)

Also

hf is photon energy (J)

hfo is work function (J)

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