What happens to the atomic number (Z) and the mass number (A) when a nucleus emits a gamma ray?
a. Z increases by 1; A is unchanged.
b. Z is unchanged; A is unchanged.
c. Z decreases by 1; A is unchanged.
d. Z decreases by 2; A decreases by 4.
b
Physics & Space Science
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The shortest distance between two points in flat Euclidean space is a
A) straight line. B) geodesic. C) neither of these
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As light travels from vacuum (n = 1) to a medium such as glass (n > 1), which of the following properties remains the same?
(a) wavelength (b) wave speed (c) frequency
1.(a) 2.(b) 3.(c) 4.(b) and (c) 5.None, all change.
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How do shock waves aid in the formation of stars?
What will be an ideal response?
Physics & Space Science