Electromagnetic waves common mistakes

Common mistakes

• Lenses (physics only) common mistake 1

  Giving a vague answer instead of directly addressing: (Physics only) Describe how a convex lens can form a real image..

  Fix itAnswer by clearly explaining how to (Physics only) Describe how a convex lens can form a real image..

• Lenses (physics only) common mistake 1

  Giving a vague answer instead of directly addressing: (Physics only) Describe how a convex lens can form a virtual image when the object is inside the focal length..

  Fix itAnswer by clearly explaining how to (Physics only) Describe how a convex lens can form a virtual image when the object is inside the focal length..

• Lenses (physics only) common mistake 1

  Giving a vague answer instead of directly addressing: (Physics only) Describe the image formed by a concave lens as virtual, upright and diminished..

  Fix itAnswer by clearly explaining how to (Physics only) Describe the image formed by a concave lens as virtual, upright and diminished..

• Lenses (physics only) common mistake 1

  Giving a vague answer instead of directly addressing: (Physics only) Use ray diagrams to determine image position and size qualitatively..

  Fix itAnswer by clearly explaining how to (Physics only) Use ray diagrams to determine image position and size qualitatively..

• Lenses (physics only) common mistake 1

  Giving a vague answer instead of directly addressing: (Physics only) Distinguish real images from virtual images..

  Fix itAnswer by clearly explaining how to (Physics only) Distinguish real images from virtual images..

• Lenses (physics only) common mistake 1

  Giving a vague answer instead of directly addressing: (Physics only) Explain how refraction at lens surfaces changes the direction of light rays..

  Fix itAnswer by clearly explaining how to (Physics only) Explain how refraction at lens surfaces changes the direction of light rays..

• Lenses (physics only) common mistake 1

  Giving a vague answer instead of directly addressing: (Physics only) Identify focal length from a simple lens diagram..

  Fix itAnswer by clearly explaining how to (Physics only) Identify focal length from a simple lens diagram..

• Lenses (physics only) common mistake 1

  Giving a vague answer instead of directly addressing: (Physics only) Avoid confusing lens convergence with reflection from a mirror..

  Fix itAnswer by clearly explaining how to (Physics only) Avoid confusing lens convergence with reflection from a mirror..

• Visible light (physics only) common mistake 1

  Giving a vague answer instead of directly addressing: (Physics only) Describe visible light as the part of the electromagnetic spectrum detected by the eye..

  Fix itAnswer by clearly explaining how to (Physics only) Describe visible light as the part of the electromagnetic spectrum detected by the eye..

• Visible light (physics only) common mistake 1

  Giving a vague answer instead of directly addressing: (Physics only) Explain that white light contains all colours of visible light..

  Fix itAnswer by clearly explaining how to (Physics only) Explain that white light contains all colours of visible light..