Module 2 - Definitions

Module 2 - Definitions

1. Waves

   • What is a transverse wave?
   • What are examples of transverse waves?
   • What is a longitudinal wave?
   • What are examples of longitudinal waves?
   • What is amplitude?
   • What is the frequency?
   • What is the time period?
   • What is wavelength?
   • What is Plane Polarisation?
   • How would you confirm that a beam of light is polarised?
   • Why can sound waves never be polarised?
   • What is phase difference?
   • What are common properties of all EM waves?
   • What is the order of the EM spectrum? (shortest to longest wavelength)

2. Refraction

   • What is refraction?
   • What conditions are necessary for refraction?
   • What is snell's law?
   • What is the critical angle?
   • What conditions are necessary for TIR?

3. Lenses

   • What is the principle focus of a converging lens?
   • What is the principle focus of a diverging lens?
   • What is focal length?
   • What is a real image?
   • What is a virtual image?
   • What is the object distance(u)?
   • What is the image distance(v)?
   • What is magnification?
   • What is Myopia?
   • What is Hypermetropia?
   • What is the near point?
   • What is the far point?

4. Superposition, interference and standing waves

   • What is a travelling/ progressive wave?
   • What is the principle of superposition?
   • What is interference?
   • What conditions are necessary for interference to occur?
   • What is meant by the term coherent?
   • What is meant by the term in phase?
   • What conditions are necessary for total destructive interference?
   • What conditions are necessary for constructive interference?
   • What is meant by the term path difference?
   • What is a standing wave?
   • What conditions are necessary for a standing wave?
   • What is meant by the term monochromatic?
   • How are standing waves formed in a resonance tube?

5. Diffraction

   • What is diffraction?
   • What conditions are necessary for diffraction to occur?

6. Sound

   • How does the ear respond to sound?
   • What is frequency range for average human hearing?
   • What is resonance?
   • What is intensity?
   • What is intensity level?
   • Why does the ear use a log scale?
   • What is the threshold of hearing?
   • What is frequency discrimination?

7. Medical Imaging

8. Photons and energy levels

9. Wave Particle duality