What is the wavelength (angstroms) of a photon that has an energy ...

[kshipps]

What is the wavelength (angstroms) of a photon that has an energy of 5.69  10-17 J?
 
  A) 454 angstroms
  B) 34.9 angstroms
  C) 6.89  1015 angstroms
  D) 3.66  109 angstroms
  E) 3.50  10-9 angstroms

Question 2

As a polymer becomes more crystalline, ________.
 
  A) its melting point decreases
  B) its density decreases
  C) its stiffness decreases
  D) its yield stress decreases
  E) None of the above is correct.

[macagn]

Answer to Question 1

B

Answer to Question 2

E

[kshipps]

Both answers were spot on, thank you once again

[macagn]

Great! Please up vote