If a star has a parallax of 0.02 seconds of arc, then its ...

[Jramos095]

If a star has a parallax of 0.02 seconds of arc, then its distance is
 
  a. 20 pc.
  b. 50 pc.
  c. 2 pc.
  d. 5 pc.
  e. 500 pc.

Question 2

Blue light differs from red light in that
 
  a. blue light has a higher energy than red light.
  b. blue light has a lower energy than red light.
  c. blue light has a shorter wavelength than red light.
  d. blue light has a longer wavelength than red light.
  e. More than one of the other choices are correct.

[javimendoza7]

Answer to Question 1

b

Answer to Question 2

e

[Jramos095]

Thanks for the timely response, appreciate it

[raenoj]

Excellent