Which example of a wave does not need matter to be able to travel?
Can light pass through opaque objects?
Which detector would we use for light waves?
Can both light and sound waves bounce off of objects?
The unit for wavespeed is
The unit for frequency is
Convert 5kHz into Hz
Convert 200cm into m
What is the equation linking wave speed, frequency and wavelength?
When light is reflected from smooth surfaces, this is called…
The light ray that hits an object is called the….
The light ray travels away from an object is called the….
The angle of incidence and angle of reflection are always…