Home of real teaching & learning
  • Full support for teachers
  • Focus on critical thinking
  • Engaging classroom activities
  • Integrated student eBook
  • Assessed tasks / qBank
  • Practice exam questions

The InThinking Guarantee: Our sites are written by expert practitioners and not by AI

See our AI policy

Disclaimer: InThinking subject sites are neither endorsed by nor connected with the International Baccalaureate Organisation.

Don't miss out, find out!

C3 PBL: Two slit interference support

PASCO make a set of slits with different width and spacing. On this disk are two inclined slits (variable double slit). Measuring the fringes is difficult as they are quite close together. Using a much longer distance than the optical bench helps but the pattern gets a bit fuzzy, how about taking a photo? The angle isn't easy either. The line won't go through the origin because you won't be starting at the end of the...

Help