100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
Summary Chapter 2: EM radiation and Quantum Phenomena $6.96   Add to cart
Quickly navigate to
Preview
  2.  
  3. Bachillerato
  4.  
  5. Bachillerato
  6.  
  7. Physics A-level

Summary

Summary Chapter 2: EM radiation and Quantum Phenomena

 4 views  0 purchase
  • Course
  • Physics A-level
  • Institution
  • Bachillerato
  • Book
  • A-Level Physics for AQA

Section 2- EM radiation and Quantum phenomena. It is part of the A(S)-level syllabus. It includes: photoelectric effect, energy levels and photon emission and wave-particle duality

Preview 1 out of 4  pages

Document information

  • No
  • Chapter 2
  • January 25, 2023
  • 4
  • 2022/2023
  • Summary

Subjects

  • physics
  • physics a level
  • physics as level
  • aqa
  • section 2
  • a level
  • year 12
  • physics aqa
  • chapter 2 em radiation and quantum phenomena

Connected book

book image

Book Title:

Author(s):

  • Edition:
  • ISBN:
  • Edition:

More summaries for

  • Chapter 13: Turning Points
  • Chapter 12: Nuclear Physics
  • Chapters 9 & 10: Electric and Gravitational Fields, Capacitors
All for this textbook (13)

Written for

  • Secondary school
  • Bachillerato
  • Physics A-level
  • 1
All documents for this subject (9)

Seller

avatar-seller
inesderemedios

Content preview

-




HE PHOTO ELECTRIC EFFECT :




Vertical/ y Pdarised microwave


negative charged metal plaie
°


min
o visible light , nothing happeus

UV light discharges electro Scope
° > .




Max

> Below threshold
frequency NO emission of PHOTOELECTRONS
regardless of intensity
: .

,




Above threshold
frequency of
> : Emmission photoelectrons .




0
Increasing the inleusity yields more pnaoelecroos .




-

different metals have difeeut threshold fequencies




When metal :
tight Shines on a


°
higher the amplitud > more
energy transported



tight arrives in
"
lumps
"
or quanta ,
we call photons .

Energy of a proton of
frequencyf
: E =
hf h =
6.63×10-3
"

JS ( Plank 's Constant)




F- =
hxf

quantum E =
energy of photon ( J )
of electro Magnetic
radiadion or PHOTON . h =
Planck
'
S Constant
The of one proton
energy
of
f- frequency
=
of electro magnetic radiation ( Hz)

THRESHOLD FREQUENCY
1 to I inter action


Photon >
electrón




"P
:
E hf
'

# =




Js
"
h = 6-63×10
-




1- el/ = 1.6×10
- "
J



hf
Photon > Electron :



^


hf =
O + KE

Kinetic
energy of Photon workfunction + O function energy required for electron to Have the Surface of a metal
= =
work = an



ÉÉ
.




energy
( usual / y given in et)


MCT AL




1) f fo =
threshold frequency 2) f =
fo 3) f fo
hf O >
NO emission of photo electron hf =
O > KE =
O hf =
O t KE


° It you know to ,
can be cakulaled .
°
The electron Kare the Surface of the metal and more .




°
If o is known , to can be calculakd .
KE =

¿ mv
'




?⃝

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

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

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 inesderemedios. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $6.96. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

70055 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$6.96
  • (0)
  Add to cart