Spot the one that does not fit

Exercise and reference answers

Questions

1. Items

   1. Maxwell
   2. Descartes
   3. Newton
   4. Corpuscles

   Odd item

   Maxwell

2. Items

   1. Wavefront
   2. Wavelet
   3. Polaroid
   4. Tangent

   Odd item

   Polaroid

3. Items

   1. Steady phase
   2. Stable pattern
   3. Two lamps
   4. Coherent pair

   Odd item

   Two lamps

4. Items

   1. Red shift
   2. Blue shift
   3. Doppler
   4. Pass-axis

   Odd item

   Pass-axis

Instructions

Tap the item that does not belong with the rest.

Explanation