You are here

Question: 

A very thin sheet of plastic (n = 1.60) covers one slit of a double-slit apparatus illuminated by 680-nm light. The center point on the screen, instead of being a maximum, is dark. What is the (minimum) thickness of the plastic?

Source: Giancoli, Douglas C., Physics: Principles with Applications, 7th Edition, 2014.

Quick Answer: 

570 nm

Giancoli 7th Edition, Chapter 24, Problem 17

(3:20)

Chapter 24, Problem 17 is solved.

View sample solution