True or false about photoemission

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Emission begins with no measurable time lag.

2. Statement is true

   No

   Statement

   Very intense light works below the threshold.

3. Statement is true

   Yes

   Statement

   Stopping potential does not depend on intensity.

4. Statement is true

   No

   Statement

   Brighter light makes each electron come out faster.

5. Statement is true

   Yes

   Statement

   Work function depends on the metal used.

Instructions

Decide whether each statement is true or false.

Explanation