True or false: light and electrons

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Brighter light ejects more electrons from a metal.

2. Statement is true

   No

   Statement

   Brighter light gives each electron more energy.

3. Statement is true

   No

   Statement

   Bohr extended his model successfully to helium.

4. Statement is true

   Yes

   Statement

   Newton thought light was a stream of particles.

5. Statement is true

   No

   Statement

   An emission spectrum is a continuous band of colour.

Instructions

Tap True or False for each statement.

Explanation