A star is observed with a surface temperature of 3000 K and a luminosity of 105 times that of the Sun. Based on the H-R diagram shown above, what is the approximate radius of this star?
A) 10 solar radii
B) 102 solar radii
C) 103 solar radii
D) The radius cannot be determined.
C) 103 solar radii
Physics & Space Science
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Exclusion Principle: If ? = 4, which one of the following is a possible quantum number for n?
A. 0 B. 2 C. 3 D. 4 E. 8
Physics & Space Science
A helium-neon laser beam in a vacuum is
A) red. B) orange. C) white. D) invisible. E) none of the above
Physics & Space Science
The simplest reflector telescope design is the prime focus reflector
Indicate whether the statement is true or false
Physics & Space Science
Atomic physics deals mainly with phenomena involving which particles in atoms?
a. Quarks b. Protons c. Electrons d. Neutrons
Physics & Space Science