Photoelectric Effect Class 12 Physics [Urdu Hindi]

to Download notes and past papers please visit
for lecturer physics and educators preparation please contact
0340-6582200

Introduction
Welcome to our video on the Photoelectric Effect! Have you ever wondered how solar panels work? Or how a photocopy machine creates an image? The answer lies in the photoelectric effect, a phenomenon that has revolutionized our understanding of light and electrons. In this video, we'll explore the photoelectric effect, its history, and its modern-day applications.

Part 2: Brief Description
The photoelectric effect refers to the emission of electrons from a metal surface when light shines on it. It was first discovered in the late 19th century and was later explained by Albert Einstein in his famous 1905 paper. Einstein proposed that light is not just a wave but also a particle called a photon. He showed that when a photon strikes a metal surface, it can transfer its energy to an electron, ejecting it from the metal. This discovery opened up new avenues for understanding the interaction between light and matter.

Part 3: Details
In this video, we'll delve deeper into the photoelectric effect, exploring its various aspects such as the work function of a metal, the threshold frequency of light, and the stopping potential. We'll also look at how the photoelectric effect is used in modern-day technology such as solar cells, photodiodes, and photocopy machines. Whether you're a student studying for your 12th-grade physics exams or just curious about the world around you, this video will provide you with a comprehensive understanding of the photoelectric effect. So, join us on this exciting journey into the fascinating world of the photoelectric effect!
In this video, we are going to discuss the photoelectric effect in class 12 physics. The photoelectric effect is a basic study of the interaction of light and matter. You will learn about the theory behind this effect and understand how it can be used to study the properties of materials.
Photoelectric effect, phenomenon in which electrically charged particles are released from or within a material when it absorbs electromagnetic radiation. The effect is often defined as the ejection of electrons from a metal plate when light falls on it.

In a broader definition, the radiant energy may be infrared, visible, or ultraviolet light, X-rays, or gamma rays; the material may be a solid, liquid, or gas; and the released particles may be ions (electrically charged atoms or molecules) as well as electrons.

The phenomenon was fundamentally significant in the development of modern physics because of the puzzling questions it raised about the nature of light—particle versus wavelike behavior—that were finally resolved by Albert Einstein in 1905. The effect remains important for research in areas from materials science to astrophysics, as well as forming the basis for a variety of useful devices.
#photoelectriceffect
#workfunction
#photon
#class12physics
#BaseAcademyPhysics

#12thClassPhysics

#AdeelAkhtar

#ModernPhysics

Previous Videos

Black Body Radiations in Urdu Hindi

OP as Night Switch

#photoelectriceffect

[shoaibtanoli]

Alhamdullilah sir aap ka bhut shukriya AAJ mera test hai aur mei yeh video sehri kai baad dekh ri hon aap ki video bhut informative hai all concepts are clear thank you so much sir ❤❤❤

[wellvalley]

Allah may give you an unexpected reward ...that will change your life sir👍

[ifrairshad]

Ma sha Allah world best physics teacher... 🙌🙌🙌🙌❤❤❤❤❤
May Allah bless you with his great blessings Sir.
Ameeen
Hats off to you Sir

[AhsanHaider-jrtv]

Bohot bohot shukria sir, muja class ma bilkul Samaj ni Aya tha, ap na bohot acha explain kia ha❤❤❤

[HasnainSaim-gibi]

Kal iss chapter ka test ha or ab beth k lecture le rhi ..18'19'20 most hated chapter 😢.. please someone motivate me..I wanna admission in army medical college 😊

[Addam_vu]

Sir g. Super duper because ap srf point ki bath batate hai jitna k hamare salebas mai hau but baki teacher bht confused kar dete hain thanks alart

[AimanGhulam-ix]

Sir is topic ki mane presentation deni ha or ap ki ye vedio se mere sab concept clear ho gye and i feel to much confident because of your brilliant lecture thank you so much💓

[qasimashfaq]

Very informative and brilliant lectures
May Allah bless you

[kinzaghaffar]

It really compelled us to praise Masha Allah great work🌟

[ayeshakadastarkhun]

You just clear all the concept in a single video😍😍😍

[husnainrajput]

Very understanding and motivated lecture sir May Allah bless you 🙏

[zeeuclothingstore]

I am preparing for Mcat from his lectures, best teacher

[malikqueen]

Your hardworking shows in lectures tnkSssss sir g

[saimaasad]

To the point explanation yet so effective 👍🏻

[beautifulworld]

so beautiful way of explaining..thnks sir

[fazeelqayyum]

Uv rays are most effective for it or xrays....???

[naimasheraz]

Your lectures are so worth it MashaAllah 👌 keep working this way and creating such contents which unfortunately our community lacks in.
Looking forward to millions of subscribers ahead 🎉

[faizanimtiaz-zkbo]

Mashallah respected sir May Allah bless you sir sii confusion hai k Jo current produce ho raha hai due to photoelectron jab hum ne cut off Kiya light ko to ab mazeed electrons nai emit Hoon lkn lkn sir Jo current phly develop ho Chuka hai kia wo ab nai rahy ga circuit mein

[usmsngujjar]

Thank you so much sir, such a great lecture thanks again 😊

[WazirSaddal]

Sir sirf valence shell ke electrons kiu hi kiu free hote hai or kiu hote iski reason kya h aap ne voltage kam zada intensity kam zada frequency kam zada ka bta diya but mujhe answer ni mila ki esa hota kiu h ki sirf valence shell se hi electron free hota h and why this effect only appear on metals !!