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9702 · 7.5

Polarisation

Cambridge 9702 Paper 2 — Polarisation (7.5). Senpai Corner diagram-backed pilot with premium structure and live visuals.

Need to know

What you need to know

  • 7.5 Polarisation.
  • Only transverse waves can be polarized.
  • Polarization means that vibrations are restricted to one direction.
  • Waves can be polarised through a polariser or polarising filter.
  • Example polaroid sunglasses.
  • Polarising a wave reduces its amplitude.

Explanation

Polarisation

  1. 7.5 Polarisation.
  2. Only transverse waves can be polarized.
  3. Polarization means that vibrations are restricted to one direction.
  4. Waves can be polarised through a polariser or polarising filter.
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