This set of Gratings and Slits is ideal for demonstrating light diffraction and interference in secondary schools and colleges. Designed for practical physics lessons, it helps students explore wave behaviour using clear, durable slides.

• Includes 9 slides mounted in 50mm x 50mm holders

• 6 multiple slit slides with 0.08mm lines and 0.17mm spaces

• 3 coarse grating slides with varying slit densities and spacings

  • Coarse Grating 1: 150 slits, 4 lines / mm with 0.08mm line and 0.17mm space.

  • Coarse Grating 2: 150 slits, 4 lines / mm with 0.04mm line and 0.21mm space.

  • Coarse Grating 3: 300 slits, 8 line / mm with 0.03mm line and 0.10mm space.

• Suitable for use with lasers or other light sources

• Packaged for easy classroom use and storage

(Please note: all slit dimensions are approximate only as this can vary slightly depending on the materials which are currently available at the time of production)