From the mass-luminosity relation, a 2-solar-mass star on the ...

[bucstennis@aim.com]

From the mass-luminosity relation, a 2-solar-mass star on the main sequence would have a luminosity of approximately ____ solar luminosities.
 
  a. 2
  b. 4
  c. 11
  d. 0.5
  e. 0.25

Question 2

What statement below best describes the refraction of light?
 
  a. The absorption of light as it travels through a dense, transparent material.
  b. The spreading out of white light according to wavelength.
  c. The change in direction of a light ray as it passes to a medium of different optical density.
  d. The change in direction of a ray of light as it reflects off a surface.

[Hdosisshsbshs]

Answer to Question 1

c

Answer to Question 2

c

[bucstennis@aim.com]

Great answer, keep it coming

[sultansheikh]

Gracias!