The characteristics of waves
Some waves need a ……to travel through
Medium
How many Light Waves we often see
Red ,Orange ,Yellow ,Green ,Blue ,Purple
The waves need to medium to travel through are called ……?
Mechanical wave
Did energy for gamma ray higher or lower
Higher
The waves can travel in vacuum are called ……?
Electromagnetic
Longer wavelength—>(. )energy ,because (. ) requency.
Less ,low
Shorter wavelength
Higher ……
Higher ……
————————
Longer ……
Lower frequency
Lower ……
frequency
Energy
——————
Wavelength
Energy
Which electromagnetic wave is the Third Longer
Infrared
Type of electromagnetic waves
Radio waves ,microwaves ,infrared radiation ,visible light ,ultraviolet rays ,X-rays, amma-rays
How longer wavelength about Radio waves
104