Hukum Archimedes

Lembar Kerja Murid berbasis STEM-PjBL pada materi Listrik Dinamis pada Murid Kelas 9 SMP 

This worksheet explores the definitions of kinematics terms such as distance, displacement, speed, velocity, and acceleration, as well as their equations.

Complete all questions.

يطبق قانون التيار والمقاومة 

A particular photocell uses a lithium cathode. Lithium has a threshold wavelength of 423 nm.
a. Find the work function of lithium in eV.

b. If ultraviolet radiation with a wavelength of 352 nm falls on the
lithium, will the cathode discharge electrons? If so, what is the
maximum energy of the ejected electrons in eV?