The Light Intensity Incident on a Metallic Surface Produces Photoelectrons

question 40

Multiple Choice

The light intensity incident on a metallic surface produces photoelectrons with a maximum kinetic energy of 2 eV.The light intensity is doubled.Determine the maximum kinetic energy of the photoelectrons (in eV) .

• A)4
• B)2
• D)3
• E)16

---

Definitions:

Tectum

Roof of the midbrain.

Superior Colliculi

Paired structures in the midbrain that are involved in visual and auditory reflexes and coordinate head and eye movements.

Cerebrum

The cerebrum is the largest part of the brain, responsible for higher brain functions such as thought, action, reasoning, emotion, and memory.

Inferior Colliculi

Pair of structures located in the midbrain, involved in auditory processing and acting as a major relay center for sound information.