Exam (elaborations)
CEM 141 E2 (1) Questions & 100% Verified Correct Answers with complete solutions (Latest update
- Course
- Institution
CEM 141 E2 (1) Questions & 100% Verified Correct Answers with complete solutions (Latest update
[Show more]
Seller
Follow
topgradesdr
Reviews received
Content preview
CEM 141 E2symbol for wavelength - ANS-λ
symbol for frequency - ANS-v
energy increases as frequency _____ and wavelength _____ - ANS-increases, decreases
when waves interact and the crests and waves reinforce each other - ANS-constructive
interference
when waves interact and create bands of light and dark - ANS-destructive interference
what experiment proved the existence of waves? - ANS-double slit experiment
when a high intensity light is shined on a metal, electrons are emitted - ANS-photo electric effect
what proved light was a particle? how? - ANS-the photo electric effect, light threshold
light from the sun can be split in a prism - ANS-visible spectrum
light from one particular element does not contain all colors of the spectrum, mostly dark with
blips of light - ANS-atomic emission spectrum
a visible spectrum with lines of darkness - ANS-atomic absorption spectrum
who said electrons move in orbits around the nucleus - ANS-Niels Bohr
the energy of atoms are ____ - ANS-quantized
the Bohr model only works for what element? - ANS-hydrogen
when light hits an electron, the photon is absorbed, and the electron jumps to the next orbit level
- ANS-atomic excitation
when an electron ejects a photon and falls to a lower energy level - ANS-atomic de-excitation
what proved electrons acted like waves and how? - ANS-electron double slit experiment,
constructive/destructive interference
you can't measure both the position and momentum of an electron at the same time -
ANS-heisenberg uncertainty principle
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 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 these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller topgradesdr. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
78998 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now