Radiation Flashcards

1
Q

Alfa henfald

A

–2 neutromer og –2 protomer

Fx 241, 41 Am —> 237, 93 Np

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2
Q

Beta– henfald

A

En neutron omdannes til 1 proton og en elektron. Elektronen skydes derefter ud

1 neutron —> 1 proton + 1 elektron

–1 elektron (skydes ud)

Fx 233, 91 Pa —> 233, 92 U

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3
Q

Beta+ henfald

A

En protom omdannes til en neutron og en positiv elektron (positron). Positronen skydes ud

1 proton —> 1 neutron + 1 positron

238, 95 Am —> 238, 94 Pu

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4
Q

Gamma Henfald

A

Udleder energi

133, 56 Ba* —> 133, 56 Ba

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5
Q

*

A

Overskuds energi

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6
Q

Hvilken ladning hat de forskellige typer stråling?

A

Alfa +
Beta –
Gamma neutral

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7
Q

Becquerel / Bq

A

1 Bq = 1 kernehenfald i sekundet

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8
Q

Fission

A

Kernespaltning
Kædereaktion

Tunge/store kerner

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9
Q

Fusion

A

Kerne sammensmeltning

Små kerner
Fx
2, 1 H + 3, 1 = 4, 2 He + neutron

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10
Q

Dosis

A

Den mængde stråling noget udsættes for

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11
Q

J/kg - gray

A

Måleenhed for Dosis, forkortet Gy
Den mængde af energi ioniserende stråling afsætter pr. Kg

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