Dual nature bingo

Exercise and reference answers

Clues and terms

1. Clue

   Least energy needed to free an electron.

   Item

   Work function

2. Clue

   Unit the work function is quoted in.

   Item

   Electron volt

3. Clue

   Frequency below which nothing is emitted.

   Item

   Threshold

4. Clue

   Current when every electron is collected.

   Item

   Saturation

5. Clue

   Potential at which the current is zero.

   Item

   Stopping

6. Clue

   One quantum of radiant energy.

   Item

   Photon

7. Clue

   Explained the effect with light quanta.

   Item

   Einstein

8. Clue

   Gave matter its own wavelength.

   Item

   De Broglie

9. Clue

   Wave carried by a moving particle.

   Item

   Matter wave

Instructions

Read each clue and tap the term it describes.

Explanation