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Author Question: ____ has a negative charge and a mass about 1800 times small than a proton. a. A neutron b. An ... (Read 88 times)

Davideckstein7

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on: Jul 27, 2018
____ has a negative charge and a mass about 1800 times small than a proton.
 
  a. A neutron
  b. An electron
  c. A molecule
  d. A nucleus
  e. An isotope

Question 2

If the inner accretion disk around a black hole has a temperature of 106 K, at what wavelength will it radiate the most energy? Hint: wavelength in nm =3,000,000/T in K
 
  a. 106 nm
  b. 3 nm
  c. 3 x 106 nm
  d. 1 nm
  e. 3 x 1011 nm


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gasdhashg

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

B

Answer to Question 2

B


Davideckstein7

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Reply 2 on: Jul 27, 2018
:D TYSM

rachel

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Reply 3 on: Yesterday
Excellent

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