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Author Question: Stars on the main sequence with the greatest mass a. are spectral type M stars. b. are spectral ... (Read 95 times)

Tazate

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on: Jul 27, 2018
Stars on the main sequence with the greatest mass
 
  a. are spectral type M stars.
  b. are spectral type O stars.
  c. are located at the bottom of the main sequence in the H-R diagram.
  d. have masses very similar to the Sun.
  e. are spectral type O stars and are located at the bottom of the main sequence in the H-R diagram.

Question 2

What is the frequency of the shortest wavelength light that can be detected by the average human eye?
 
  a. 0.0025 Hz
  b. 7.5  1014 Hz
  c. 3.0  108 m/s
  d. 700 nm
  e. 400 nm


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adammoses97

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Reply #1 on: Jul 27, 2018
Answer to Question 1

b

Answer to Question 2

b


Tazate

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Reply 2 on: Jul 27, 2018
Gracias!

helenmarkerine

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Reply 3 on: Yesterday
:D TYSM

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