AnswersPhysicsNuclear Physics

Nuclear Physics — Test Answers

24 verified answers2 views
22
Free Preview

Which labels belong in the regions marked X and Y?

A
X: Determines ages of objects Y: Uses uranium-238
B
X: Uses uranium-238 Y: Determines ages of objects
C
X: Uses carbon-14 Y: Uses uranium-238
D
X: Uses isotopes with short half-lives Y: Determines ages of objects
23
Free Preview

Which statements are supported by the graph? Choose two correct answers.

A
Atoms that have less than 10 protons do not need neutrons to be stable.
B
For large atoms, more neutrons than protons are needed to be stable.
C
Atoms must have equal numbers of protons and neutrons to be stable.
D
Nuclei that have 90 or greater protons are always radioactive.
24

Which is the best region for each label?

A
Label 1: X Label 2: Z Label 3: Y
B
Label 1: X Label 2: Z Label 3: Z
C
Label 1: Z Label 2: X Label 3: Y
D
Label 1: X Label 2: Z Label 3: X
25

Which labels belong in the regions marked X and Y?

A
X: Releases energy to the photosphere Y: Takes longer for photons to move through
B
X: Takes longer for photons to move through Y: Absorbs energy from the core
C
X: Takes longer for photons to move through Y: Releases energy to the photosphere
D
X: Absorbs energy from the core Y: Takes longer for photons to move through

Did you find these answers helpful?