The line is referred to, when directly looking at a mirror ..
What is the normal?
Which medium does sound travel the fastest through?
What is a Solid?
What wavelength color has the highest frequency?
(Ultra)Violet
What determines the color of light?
the wavelength
Light travels in....
A straight line?
What is white light
all wavelengths being reflected
Do mechanical waves travel faster in metal or water?
metal
What color absorbs all light
Vanta Black
How we see colour e.g. Red
Red light is reflected, all other colours are absorbed
What color is the lowest frequency?
red
What angle do you shine a flashlight at to get a rainbow through a prism
40-42 degrees
What is a wave
a disturbance that carries energry
When light changes speed going from one material to another, it often bends, or changes direction
What causes light diffraction?
An incident ray travels towards and strikes the object or small opening
How can you tell a sound wave drawing is a higher pitch than the previous sound
Number of waves (frequency) will increase?