Particles move up and down perpendicular to the direction of the wave energy.
What is a transverse wave?
A sound wave is a ____________ wave.
What is longitudinal?
Visible Light is categorised as this type of wave.
What is electromagnetic? (I'll accept transverse)
What is ultrasound or sonar?
Particles move back and forth in the same direction as the wave energy.
What is a longitudinal wave?
What is shorter?
When light bounces off a smooth surface, this is called..
What is a reflection?
What is large and short?
A compression on a sound wave will correspond to what feature of a transverse wave? (Crest, trough, equilibrium or frequency)
What is a crest?
When light passes through from air to a clear substance, this bending of light is called ___________.
What is refraction?
An area of low density air particles in a sound wave is called a ______________.
What is a rarefaction?
An example of a mechanical wave is ____________. (A wave that cannot travel through a vacuum, and needs matter).
What is a sound wave?
Type of EM waves used in telecommunications.
What are Microwaves or Radio waves?
Sound travels faster through which of the three physical states. (Gas, liquidor a solid)
What is a solid? (Sound travels faster through denser material)
When light passes through a clear substance that is denser than air (higher refractive index), it will bend _________ the normal.
What is towards?
A technology that utilises infrared light radiation is _________.
What is night vision goggles, cooking or heating?
An area of high pressure or high density of particles in a sound wave.
What is a compression?
An example of refraction applied to everyday situations could be __________.
What is reading glasses, magnification or depth illusions in water.
The speed of light in a vacuum is ___________
What is 300,000 km/sec? (3x10^8 m/sec)