In terms of the mass M of our sun, what is the Chandrasekhar ...

[appyboo]

In terms of the mass M of our sun, what is the Chandrasekhar limit of stellar mass, below which a star will eventually collapse into a white dwarf?
 
  A) 1.9 M B) 1.4 M C) 1.2 M D) 0.8 M

Question 2

Given that the binding energy of the hydrogen atom in its ground state is -13.6 eV, what is the energy when it is in the n = 5 state?
 
  A) -2.72 eV B) 0.544 eV C) -0.544 eV D) 2.72 eV

[cdmart10]

Answer to Question 1

B

Answer to Question 2

C

[appyboo]

Thanks for the timely response, appreciate it

[komodo7]

Gracias!