SCMH 1010 Training Exam 2 Questions Solved Correctly.
7 views 0 purchase
Course
SCMH 1010
Institution
SCMH 1010
properties of a nucleus - Answer protons, neutrons, held together with the 'strong force', nucleus gives atom its mass
atomic number - Answer number of protons in nucleus
- dictates the arrangement of electrons
- defines chemical behavior
- defines the atomic basis of elements
mass ...
SCMH 1010 Training Exam 2 Questions
Solved Correctly.
properties of a nucleus - Answer protons, neutrons, held together with the 'strong force', nucleus gives
atom its mass
atomic number - Answer number of protons in nucleus
- dictates the arrangement of electrons
- defines chemical behavior
- defines the atomic basis of elements
mass number - Answer total protons and neutrons
isotopes - Answer all elements are isotopes
- elements with different numbers of neutrons
- some are highly radioactive; many are slightly radioactive, some are stable and not radioactive
what is radioactivity? - Answer the spontaneous decay of nuclei
- radiation can be electrons, subatomic particles, high energy electromagnetic waves like x-rays
Geiger counter - Answer can be used to detect radioactivity, typically hand-held
Gamma counters - Answer count gamma particles directly: high energy photons
liquid scintillation counters - Answer look at flashes of light in solutions of fluorescent compounds that
amplify the strength of weak radiation
Battery - Answer Developed by Alessandro Volta
Converts chemical energy to kinetic
, Electrical Currents flow through dissimilar metals to make a circuit
Electric circuit - Answer Unbroken path of material carrying electricity.
Source, device, and closed path
Ohm's Law - Answer I x R = V
Current times resistance equals voltage.
Definition of Wave - Answer traveling distance that carries energy but does not result in the overall
displacement of matter/mass
Types of waves: - Answer V (velocity) as always is delta x / delta t. i.e. (difference in location as a
function of difference in time - same as distance per unit time)
Wavelength = (λ) measured in distance
Frequency = (f ) measured in (cycles) per second; cycles/s or s-1. Also measured in Hertz.
The Period = (1/ f ). Literally seconds per cycle; time between waves
Wavelength measured in... - Answer distance by meters
Velocity is measured in... - Answer Delta X divided by Delta T
Meters/Second
Frequency measured in... - Answer cycles per second - Hertz
What is amplitude - Answer the height of the wave crest above the undisturbed position
How is energy is transferred - Answer particle or wave
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller TestSolver9. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R185,89. You're not tied to anything after your purchase.
