What wavelength corresponds to the n = 2 ? n = 1 transition in singly-ionized helium?
A)
15.2 nm
B)
22.8 nm
C)
4.56 nm
D)
11.4 nm
E)
30.4 nm
E
Physics & Space Science
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Instructions: On occasion, the notation will be a shorthand notation for
.
Given that and
, what is
? ?
A.
B.
C.
D.
E.
Physics & Space Science
Heat flow occurs between two bodies in thermal contact when they differ in what property?
a. mass b. specific heat c. density d. temperature
Physics & Space Science
Which of the following statements is not true about wave packets and their use in describing particles?
Physics & Space Science
When a metal plate with a hole in it is cooled, the size of the hole becomes
1) smaller, 2) larger, 3) remains the same size, and when the plate is heated, the hole becomes 4) smaller. 5) larger. 6) remains the same size.
Physics & Space Science