What power lens is needed to correct for nearsightedness where ...

[rl]

What power lens is needed to correct for nearsightedness where the uncorrected far point is 75 cm?
 
  A) -1.33 D
  B) +1.33 D
  C) -0.75 D
  D) +0.75 D
  E) -1.00 D

Question 2

An electron is trapped in a box of width 0.10 nm. What is the wavelength of the photon emitted when an electron makes a transition from the n = 3 to the n = 1 state?
 
  What will be an ideal response?

[ErinKing]

Answer to Question 1

A

Answer to Question 2

4.1 nm

[rl]

Excellent

[jamesnevil303]

Thanks for the timely response, appreciate it