Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Physics > 6.10-6.22 Beta and radioactivity > Flashcards

6.10-6.22 Beta and radioactivity Flashcards

You may prefer our related Brainscape-certified flashcards:
Physics 101 flashcards AP® Physics flashcards
1
Q

What four things are released from an unstable nuclei in a random process?

A

.Beta Minus
.Positron (Beta+)
.Gamma rays
.Neutron radiation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are alpha beta and gamma rays all examples of?

A

Ionising radiations

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is meant by background radiation?

A

.Weak radiation that can be detected from natural/external sources

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Give three origins of background radiation

A

.Cosmic rays
.Radiation from underground rocks
.Nuclear fallout
.Medical rays

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Give the two ways you can measure radioactivity

A

.Geiger-Muller tube

.Photographic film

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How can photographic film be used to measure radioactivity?

A

.Film goes darker when it absorbs radiation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Give a use of photographic film and radioactivity

A

.It is worn as a badge by people who work with radiation to see how much radiation they’ve been exposed to

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

How can a Geiger-Muller tube be used to detect radiation?

A

.Each tie it absorbs radiation it transmits an electrical pulse to the machine, Which produces a clicking sound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is an alpha particle equivalent to?

A

A helium nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is a gamma ray?

A

Electromagnetic radiation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is a beta particle?

A

.An electron emitted from the nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

In order of most to least ionising rank Alpha, Beta and Gamma

A

.Alpha
.Beta
.Gamma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

In order of most to least penetrating rank Alpha, Beta and Gamma

A

.Gamma
.Beta
.Alpha

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Who discovered the electron?

A

JJ Thomson

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Who said everything was made from atoms?

A

Dalton

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Who realised most of the atom was empty space?

A

Rutherford

17
Q

Who produced the final model of the atom?

A

Bohr

18
Q

Give the process of Beta- decay

A

.A neutron will turn into a proton and emit a fast moving electron

19
Q

Give the process of Beta Plus decay

A

A proton turns into a neutron and emits a fast moving positron

20
Q

Nuclei that have undergone radioactive decay often undergo what?

A

Nuclear rearrangement with a loss of energy as gamma radiation

Physics (27 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions