A change in the direction of a wave as a result of its ...

[Collmarie]

A change in the direction of a wave as a result of its encountering a sharp edge or a slit is called ______________.
 Fill in the blank(s) with correct word

Question 2

A beam of X-rays of different frequencies is reflected at 10 degrees off a crystal of interatomic spacing 0.2 nm. Which X-ray wavelength is preferentially reflected?
 a. 0.0943 nm
  b. 0.139 nm
  c. 0.0695 nm
  d. 1.02  1010 m
  e. 3.47  1011 m

[Eunice618]

Answer to Question 1

diffraction

Answer to Question 2

c

[Collmarie]

Thanks for the timely response, appreciate it

[miss_1456@hotmail.com]

TYSM