A metal surface is struck with light of λ = 400 nm, releasing a stream of electrons. If the light intensity is increased (without changing λ), what is the result?
A. More electrons are emitted in a given time interval
B. Fewer electrons are emitted in a given time interval
C. Emitted electrons are more energetic
D. Emitted electrons are less energetic
Answer: A. More electrons are emitted in a given time interval
