Author Question: The electron spin quantum number can have values of A) -1/2, -1, 0, +1, +1/2. B) -1/2, -1, +1, ... (Read 125 times)

Bob-Dole · **on:** Jul 29, 2018

The electron spin quantum number can have values of

A) -1/2, -1, 0, +1, +1/2.
B) -1/2, -1, +1, +1/2.
C) -1/2, 0, +1/2.
D) -1/2, +1/2.
E) only +1/2.

Question 2

As a treatment for cataracts (a cloudiness of the lens of the eye), the natural lens is removed and a plastic lens is implanted. After this is done a person can see distant objects clearly, but he cannot accommodate to focus on nearby objects.

If such a person wanted to read a book at a distance of 25 cm, he would have to wear contact lenses having a diopter power of A) +2.78 diopters.
B) +3.33 diopters.
C) -1.78 diopters.
D) +4.00 diopters.
E) -4.00 diopters.

honnalora · **Reply #1 on:** Jul 29, 2018

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