Electromagnetic waves exam tips

Exam tips

• Uses and applications of electromagnetic waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to compare benefits and risks of medical uses of ionising radiation..

  This keeps your answer tightly aligned to the approved learning objective for Uses and applications of electromagnetic waves.

• Uses and applications of electromagnetic waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to distinguish communication uses from heating, imaging and sterilising uses..

  This keeps your answer tightly aligned to the approved learning objective for Uses and applications of electromagnetic waves.

• Uses and applications of electromagnetic waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to link each electromagnetic wave application to a named region of the spectrum..

  This keeps your answer tightly aligned to the approved learning objective for Uses and applications of electromagnetic waves.

• Uses and applications of electromagnetic waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to avoid using vague statements about radiation without identifying the wave type and property..

  This keeps your answer tightly aligned to the approved learning objective for Uses and applications of electromagnetic waves.

• Lenses (physics only) exam tip 1

  Use precise subject-specific vocabulary when you explain how to (Physics only) Describe a convex lens as a converging lens..

  This keeps your answer tightly aligned to the approved learning objective for Lenses (physics only).

• Lenses (physics only) exam tip 1

  Use precise subject-specific vocabulary when you explain how to (Physics only) Describe a concave lens as a diverging lens..

  This keeps your answer tightly aligned to the approved learning objective for Lenses (physics only).

• Lenses (physics only) exam tip 1

  Use precise subject-specific vocabulary when you explain how to (Physics only) Define the principal focus of a convex lens..

  This keeps your answer tightly aligned to the approved learning objective for Lenses (physics only).

• Lenses (physics only) exam tip 1

  Use precise subject-specific vocabulary when you explain how to (Physics only) Define the focal length of a lens..

  This keeps your answer tightly aligned to the approved learning objective for Lenses (physics only).

• Lenses (physics only) exam tip 1

  Use precise subject-specific vocabulary when you explain how to (Physics only) Draw ray diagrams for a convex lens using principal rays..

  This keeps your answer tightly aligned to the approved learning objective for Lenses (physics only).

• Lenses (physics only) exam tip 1

  Use precise subject-specific vocabulary when you explain how to (Physics only) Draw ray diagrams for a concave lens using principal rays..

  This keeps your answer tightly aligned to the approved learning objective for Lenses (physics only).