In general, what is true of the alpha star in a constellation?
A) It is the easternmost star in the constellation.
B) It is the brightest star in the constellation.
C) It is the westernmost star in the constellation.
D) It is the star that is closest to Earth.
E) It is the reddest star in the constellation.
B
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Which of the following planets can be seen as a crescent phase from Earth?
a. Mercury b. Venus c. Mars d. Both a and b e. All of the above
A beam of light in water (n = 1.33 ) enters a glass slab (n = 1.50 ) at an angle of incidence of 60.0°. What is the angle of refraction?
A) 27.5° B) 39.8° C) 60.0° D) 90.0° E) 50.2°
On the Kelvin scale the temperature is proportional to the average kinetic energy of the atoms or molecules whose temperature is being measured
a. True b. False Indicate whether the statement is true or false
According to the Pauli Exclusion Principle for n = 4, the occupation limit of electrons is
a. 4 b. 8 c. 16 d. 32