1/9
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai |
|---|
No analytics yet
Send a link to your students to track their progress
uses of radiowaves
broadcasting and communications
uses of microwaves
cooking and satellite transmissions
uses of infrared waves
heaters and night vision equipment
uses of visible light waves
optical fibres and photography
uses of ultraviolet waves
fluorescent lamps
uses of x-rays
observing the internal structure of objects and materials, including for medical applications
uses of gamma waves
sterilising food and medical equipment
conditions for total internal reflection
angle greater than critical angle
going into a faster medium
what is the critical angle?
into a faster medium
light refracts along the boundary
angle of refraction is 90
describe how an oscilloscope can be used to measure the time period of a sound wave. (4)
connect microphone
adjust the time base for a stable trace
count number of squares for one complete cycle
time period = number of squares x time base scale