The Sun is on your meridian, and you have a UT clock that tells you it is 3 P.M. in Greenwich. What is your longitude?
A) 3° west of Greenwich
B) 3° east of Greenwich
C) 45° west of Greenwich
D) 45° east of Greenwich
E) 30° west of Greenwich
C
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An extrinsic n-type semiconductor can be made from Group IV germanium by adding impurity atoms of:
(a) Group IV silicon (b) Group III aluminum (c) Gorup II magnesium (d) Group V arsenic
Dimensional Analysis: When dividing several quantities
A. the quantities can have any combination of units. B. the quantities must all have exactly the same units. C. the quantities must all be dimensionless.
Which of the following is an example of Heisenberg's uncertainty principle?
A) The unpredictability of radioactive decay. B) The unpredictability of a coin toss. C) Both of the above. D) The unpredictability of the weather. E) All of the above.
What is the wavelength of a photon having energy 2.00 eV? (c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s, 1 eV = 1.60 × 10-19 J)
What will be an ideal response?