Spot the one that does not fit

Exercise and reference answers

Questions

1. Items

   1. Newton
   2. Hertz
   3. Second
   4. Period

   Odd item

   Newton

2. Items

   1. Sitar
   2. Guitar
   3. Violin
   4. Drum

   Odd item

   Drum

3. Items

   1. Amplitude
   2. Phase
   3. Frequency
   4. Mass

   Odd item

   Mass

4. Items

   1. Pendulum
   2. Boat on water
   3. Wall clock
   4. Falling stone

   Odd item

   Falling stone

Instructions

Tap the item that does not belong with the rest.

Explanation