Question

71) The Phenomenon of emission of electrons from a metal
surface when radiation of appropriate frequency is incident
on it is known as
O a) Emission
O b) Photoelectric effect
O c) Radiation
O d) Photovoltaic effect​

Answer 1

Answer:

photovoltaic

Explanation:

pls make me brainlist

Answer 2

Answer:

b) photoelectric effect

Request:

pls mark me as BRAINIEST