Author Question: Two identical stars are located at different distances, one star at 2.0 pc and the other at 6.0 pc. ... (Read 32 times)

RYAN BANYAN · **on:** Jul 29, 2018

Two identical stars are located at different distances, one star at 2.0 pc and the other at 6.0 pc. How many times greater is the apparent brightness of the nearer star when compared to the more distant one?

A)

1.7 times
B)

3.0 times
C)

9.0 times
D)

18 times
E)

27 times

Question 2

The Pauli exclusion principle tells us that no two electrons in an atom can have the same quantum number(s)

A)

n, , m, and ms.
B)

n, and m.
C)

m and ms.
D)

n and .
E)

n.