A beam of light of wavelength 600 nm passes through a slit that ...

[Wadzanai]

A beam of light of wavelength 600 nm passes through a slit that is 3.1  10-5 m wide, and then goes on to a screen that is 2.2 m from the slit. On the screen, how far is the second dark fringe from the center of the diffraction pattern?
 
  A) 3.9 cm
  B) 4.2 cm
  C) 6.3 cm
  D) 2.1 cm
  E) 8.5 cm

Question 2

Which of the following would be considered basic research?
 
  A) examining why a mouse likes cheddar cheese more than swiss cheese
  B) studying ways of catching mice safely
  C) testing the strength of a mouse cage
  D) examining how quickly a trapdoor closes
  E) testing a safe, nontoxic mouse glue

[djofnc]

Answer to Question 1

E

Answer to Question 2

Answer: A

[Wadzanai]

Excellent

[Jossy]

Gracias!