RADT 142 Review Test Questions with Answers
What is the smallest subdivision of a compound that maintains the same characteristics of that compound? - Answer-molecules
What is the smallest portion of an element? - Answer-atom
Two or more different atoms (elements)? - Answer-compound and mole...
What sterilizes equipment - Answer-Ultra-violet (uv)
What are the two waves lengths - Answer-Mechanical and electromagnetic (EM)
What is mechanical - Answer-Transfers energy as they travel through matter (ex: sound
and water)
Electromagnetic (EM) - Answer-Don't need matter to transfer energy (ex:x-ray, light)
What represents electromagnetic energy - Answer-Sin waves
What are the characteristics of waves - Answer-1.wavelength - the distance between on
crest to another
2. Amplitude- the distance a wave rises or falls from its position
3. Frequency-# of waves (cycles) that pass in a second -measure in hertz(HZ)
What are the characteristics of em waves - Answer-- have all the properties of waves
-travel at the speed of light (186,000 miles/sec or 3x10^8 m/s)
- travel in a vacuum (empty of space)
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