Photoelectric Effect, Work Function, Threshold Frequency, Wavelength, Speed & Kinetic Energy, Electr

[@TheOrganicChemistryTutor]

Atomic Theory - Free Formula Sheet: bit.ly/3ZKCVXt Final Exams and Video Playlists: www.video-tutor.net/ Chemistry 1 Final Exam Review: kzbin.info/www/bejne/a6raYox-bL50bcU

[@ArmaGhedoNNN]

I've learned more in 20 minutes than in 20 hours at physics class. Thanks a lot, tomorrow i have the exam :)

[@rocksmoke3752]

Chemistry I guess

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Simp

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Likewise😄😄😄

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I hope you did well on that exam!!

[@ArmaGhedoNNN]

@@rocksmoke3752 physics

[@blaxk_light3148]

I appreciate you man. You successfully prevented me from punching a hole through the wall of my dorm room. Thank you!

[@anasamanullah726]

Honestly this channel is the best to learn any topic you want, he explains it so well with easy and simple examples!!

[@xavierc12343]

This is the first place I come before and after every physics lesson if I want to understand a topic better

[@mrsushi1192]

Nice video, but there’s one small part you missed out, so I hope this helps So basically if the frequency of the incident light is EQUAL to the threshold frequency, the electrons will get unbounded, but they won’t be ejected as there is no extra kinetic energy for the electrons to use to move out of the surface On the other hand, if the frequency is GREATER THAN the threshold frequency, then the electrons will get ejected, as the excess frequency will get converted into kinetic energy, and hence the electron can escape with any sort of velocity, depending on how much higher the frequency is. Hope this helps! :)

[@Paradox586]

what does unbounded mean?

[@tm02-s03]

What is unbounded?

[@muskankukkar1015]

If the frequency was exactly equal to the work function of metal will current flow then? Please explain this

[@blessedmazarura1799]

Create your own content, we cool here

[@avationmusic]

@@Paradox586 they get dislodged from the metal and rest on the surface

[@richie7898]

YOUR VIDEOS HAD TAUGHT ME WAY MORE THAN WHAT I'VE LEARNT IN SCHOOL

[@amusannathan9450]

same here

[@xandersafrunek2151]

I have to say that your videos have been great thus far. I am a straight-A student at OSU, yet my Engr. Chem. course is beating the living **** out of me. I just need to pass this course and I am guaranteed as a Mechanical Engr. major. You are much less arrogant than my professor, and you seem to focus on all of the important information exclusively. Thanks for all the help.

[@awesomeuio]

Alexander Safranek hello fellow zellmer sufferer

[@riteshkumarkumar5263]

Straight A not deviated A .......... Just kidding

[@starboii568]

did you graduate

[@xandersafrunek2151]

@@awesomeuio You were right on the money, Joel!

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@@starboii568 I did graduate. Now I can't get enough torment, so I am now a graduate student in Nuclear Engineering, lol.

[@georgesadler7830]

Professor Organic Chemistry Tutor, this is an excellent explanation and analysis of Photoelectric Effect, Work Function, Threshold Frequency, Wavelength, Speed and Kinetic Energy in AP/General Chemistry. Once again, formulas are very important when breaking down and solving problems in Chemistry. The formula shows the relationship between all the great inventions in Chemistry. This is an error free video/lecture on KZbin TV with the Organic Chemistry Tutor.

[@haimz3854]

Hello, I’ve been watching your videos and I just wanted to say thank you. You are a big help. when I don’t understand some of the thing from my professors I go to your videos. Thank you keep it going.

[@biphysimath-special3231]

this channe will help you kzbin.info/www/bejne/ipvalntjqMSkZ9E&ab_channel=BiPhysiMath-Special

[@oluwabunmi6854]

Could you help me please?, no matter how many times I put those numbers in the kinetic formula into my calculator. I always get a 1.36 and he got 1.357

[@Haltz_Anthony1]

He approximated

[@bajiyaa7955]

Dude thanks a lot, this came in really handy. I was having difficulty in finding the speed of the photoelectron and now i understand it. Thanks a lot, man.😁

[@reemabansal9594]

Thanks a lot dude, this came to be very handy* the part after this is grammatically correct but this wasn't so just helped 😁

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@@reemabansal9594 nobody asked

[@biphysimath-special3231]

@@reemabansal9594 this channe will help you kzbin.info/www/bejne/ipvalntjqMSkZ9E&ab_channel=BiPhysiMath-Special

[@bobthemonkey9918]

At 5:33, when you said "the difference...", my mind just did a nuclear explosion. I was like, "DUDE, That's all?"...I was so convinced that this topic is the most difficult one when my teacher introduced it. Wow, I'm flabbergasted...

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You deserve a nobel prize for making things very easy to understand . That's the whole idea of learning 😎😅

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[@doubletrouble1540]

You know whah, actully I was seaking for a meditation music and I found this and now I'm calculating the wavelengths and studying phyisics. Nothing is more relaxable than this for me. Thank you a lot for your well-explained Photoelectronic Effect and for your problem solvings. 😉

[@biphysimath-special3231]

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[@biphysimath-special3231]

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I missed this lecture and I have a CAT the following day. Thank you for making me understand this topic.

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its really good can i ask for more exercises coz its more understandable here

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Thanks man, this really came in handy.

[@user-ri8ps6cl4w]

chemistry?? we are taking this in physics... anyway great video, thank you!!

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[@LahatNhial-xj2cj]

Workout number. A metal of work function is 6.0ev is illuminated with light if the electron emitted have a maximum speed of 1x10 rise power 6m/s . Calculate the wavelength of light used.

[@qal4real372]

have my a levels in a week. thank u🙏🏽

[@123pEpicGuy]

For question 2 when finding the maximum wavelength to liberate an electron. Wouldn't it have been easier to convert the eV to work. Then divide in by Planck's constant to get the threshold frequency (aka maximum frequency of light to liberate an electron). Then convert that frequency into a wavelength using the c=freqeucny x wavelength formula.I also then get 540nm.

[@حمام-و3د]

Q7: The work function for sodium approximately If just onephoton of ultraviolet light of frequency 1015 Hz strikes the surface ofsodium (and does not merely bounce off). (a) What would be the maximumenergy of an ejected electron? (b) What would its speed be? (c) How wouldyour answer compare if 10 ^ 6 photons of the same frequency hit the sodium?

[@olanrewajuolawale901]

Thank u 4 breaking down tri-fficult topics😥 . God bless u. ☺

[@yawasar]

Excellent presentation!

[@RealSlavGod]

Intensity apparently only affects the amount of photons which doesn't increase the amount of electrons being ejected. Rather, a light with a higher frequency will have more energy in the photons which will cause it to eject more.

[@tomrp-yt2409]

In some way yes, however the electrons being emitted at a higher intensity, will be of much more frequent emission. So it doesnt exactly increase the maximum kinetic energy, however, it increases the frequency of which they are emitted. As one photon is absorbed by one electron. Hence, they came up with the wave particle duality.

[@sefofiwilliamlebea4071]

The only thing I wish for is to see this guy's face 🙏 I mean he might be God 😀. Thanks a lot

[@alieltoney]

you are the best, man

[@soujanyachatterjee09]

One thing I gotta sat in 11:45 the finding of the lamda was kinda like complicatedly done, in India we just switch places..

[@ChizzyBeeClassic]

No body among KZbin tutors can teach more than u sir

[@vijayshiv9905]

i was asking that we are learning about the dual nature of light nd in this equation we are using frequency which is wave nature can u just plz tell me that wgy we are using waves equation only or can we prove it with equations which are associated with particles

[@jayarajb.5933]

Nice video, can I know which application did you use for this video

[@pelememes1036]

I love 😍 your channel its doing more than my teacher

[@mushfek]

Awesome help! Thanks for the video.

[@منأجلالقرآنأحيا]

Thanks ❤❤❤

[@lovelyrukky]

At 22:08,the work function is supposed to be 4.59 x 10^27 NOT 4.59 x 10^-19

[@jennabui2233]

thank you so much for the video, it help me out

[@vipteumemashikyu4080]

Please post more of this.

[@em-dh6jv]

Question how do you calculate work function with only the wavelength given ?

[@marvievaliente5329]

Thank u💚

[@dreadslord7241]

This is the hardest topic in physics…. But simply I just understood it like that

[@lxcidd.]

im pretty sure its chemistry (atomic structure) and not physics..

[@rorymacdonald7529]

@@lxcidd. this is most definitely a topic that falls under physics as well

[@lxcidd.]

@@rorymacdonald7529 well it’s a topic for me in chemistry

[@rorymacdonald7529]

@@lxcidd. yep

[@najmachavez865]

How did you get 9.97 * 10^-20? I keep getting -3.68 *10^-19....

[@avdhoot3749]

Really helpful 👌 thanks 😊🙏👍☺😀🙌

[@anshuy8000]

I have a doubt in 2nd question c part I took work function =h v not but I'm getting different answer can anyone tell me why

[@jamesmark8679]

Make a video on solving the schrodinger equation please

[@nourahd6994]

Thank you , i got what i wanted from this video Thanks again

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I appreciate your video ..🙏

[@mdrama4257]

Tnks I have learned in easy way from u .respect 😌

[@waptek2]

shorter wavelengths are more "energetic" in single Photons , & outer electron shells BUT radio frequency electromagnetic wave "energy" is not directly related to or associated with wavelength & ONLY depends on field intensity & saying otherwise empowers woo peddlers

[@wild_imaginatorII]

Please can you make a video on thermionic emission?

[@Paradox586]

this feels alot like physics. Is this just concept where it's a mix of both?

[@tm02-s03]

Because it is physics

[@Josama0214]

No it's just chemistry

[@Simonopia]

Thats very help full thank you

[@kareemteniola3634]

thank you so much for helping me understand this.

[@syamu8678]

My chemistry sir says what is there in book it means he just read the book and writedown on the board you guy made easy even i am poor at english 🥺🥺🥺🥺😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️

[@nurulnazifah1026]

i need help. at 8:51 how did you find the mass of the light? or is it already given? but i cant find it ToT

[@user-yf1vj8ez3s]

Its not given in the question but mass of electron is fixed. Its 9.1 × 10^-31 kg. You should remember it

[@lepidoptera9337]

Light is a massless field for all we know. The current best upper mass estimate for light is less than 1e-18eV/c^2. If you want to find the best measurements and estimates for the properties of all the fields of the standard model, search for "particle data group". That's the name of a small group of physicists who compile all the latest literature for an annually updated publication. It's a lovely little booklet. A true labor of love.

[@bruktaitberhanu1338]

Is this true High intensity light ejects more number of photons from a metal surface

[@montasimmayimmouno3345]

Please make a video on Compton effect

[@byronkenoly]

GREAT channel!!

[@hubla_omo]

Thank youuu

[@chaceychama53]

This is awesome it's really helpful

[@josephtetteh8493]

Wow, very very clear

[@Gameplays03553]

This is the example of, "You know what you teach"

[@Gameplays03553]

I ve learned a lot here

[@VikingCanadian]

Thanks for the video!

[@aleguan_]

How can I find the velocity of the scattered electron given only the wavelengths of an X-ray before and after it scatters? I'm not given threshold frequency or work function.

[@Andrew-nk1ig]

Great video, Thanks a ton!

[@antoniomarin8973]

Hello, Please can you tell me how you got 9.97 time 10 to the -20, because at the end I got KE= 1.989 time ten to the 25...

[@abdulquddusmuhammad9782]

I myself got 8.36*10^38

[@oluwabunmi6854]

Could you help me please?, no matter how many times I put those numbers in the kinetic formula into my calculator. I always get a 1.36 and he got 1.357 when calculating the kinetic energy

[@goldengore5442]

Yes he rounded up , your answer is correct

[@melissacubas8444]

does he have a formula sheet attached for these types of videos?

[@anthonyyee7481]

Hi, When an electron is knocked out of the atom, another will take it's place? If an inner shell electron is knocked out, then outer shell electrons will "relax" to replace it...Then will these relaxations not produce/emit light?. Tq

[@TomHendricksMusea]

Ask an astronomer "How are photons created or destroyed", talks about quantum jumps. Q. The only interactions a photon has are to be created or destroyed. My idea is that the photon pops up as an electron positron pair that power the quantum leap or releases a photon. That means that the leaping electron interacts with the electron positron pair. One electron and positron annihilate which powers the left over electron to jump. That means that in space time photons are always electron positron pairs.

[@guybar8128]

Nice video but it drives me nuts that frequency is v and not f.

[@davidchukwuocha7052]

Had to change that for myself

[@priyarajan4790]

if cathode work function is greater than photon energy,what would be the shape of a photo current verses potential graph. Could u please help me out sir

[@clickit7496]

How did you get the mass of kinetic energy? I'm confused

[@manoumanou1661]

You need to memorize electron proton neutron masses

[@annatr1862]

How do you find the work function and kinetic energy if you are given the frequency?

[@claytonbigsbyyy]

i love you omg

[@BlackEnigma908]

I love you man😭