

The incidence of the light beam affected the shadow's length.
The angle at which something, such as light or a wave, strikes a surface.
The incidence of the sound wave changed the way we heard the music.
We measured the incidence of the sunlight on the water.
The incidence of the laser beam created a bright spot on the wall.
angle of incidence
high incidence
low incidence
angle
approach
strike angle
The incidence of flu cases increased this winter.
The occurrence or frequency of something, especially an event or condition.
The incidence of car accidents has risen this year.
We need to monitor the incidence of allergies in children.
The incidence of crime in the area is concerning.
high incidence
low incidence
incidence rate
occurrence
prevalence
frequency