How much energy is radiated each second by one square meter of a ...

[tiara099]

How much energy is radiated each second by one square meter of a star whose temperature is 10,000 K? s in the Stefan-Boltzmann law is equal to ,
 
  a. 5.67 x 10¹² J
  b. 5.67 x 10⁸ J
  c. 5.67 x 10⁴ J
  d. 300 nm
  e. 300,000,000 nm

Question 2


  The diagram illustrates a light source, a gas cloud, and three different lines of sight. Along which line of sight would an observer see an emission spectrum?
 
  a. 1
  b. 2
  c. 3
  d. 2 and 3
  e. none of them

[amynguyen1221]

Answer to Question 1

B

Answer to Question 2

B

[tiara099]

Thanks for the timely response, appreciate it

[dantucker]

YES! Correct, THANKS for helping me on my review