High School Physics Practice Test

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

From $25.99Unlock all

1 / 20

In the photoelectric effect, what condition must be met for electrons to be emitted?

?

The photon energy hf must be at least the work function φ; hf ≥ φ

Subscribe

Get the latest from Passetra

You can unsubscribe at any time. Read our privacy policy