Refraction of Light at Plane Surfaces Class 10 ICSE | Light Physics ICSE Class 10 |

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Refraction of Light at Plane Surfaces Class 10 ICSE | Refraction Through Lens | ‪@sirtarunrupani‬
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Syllabus:
(i) Refraction of light through a glass block and a triangular prism - qualitative treatment of simple applications such as real and apparent depth of objects in water and apparent bending of sticks in water. Applications of refraction of light.
Partial reflection and refraction due to change in medium. Laws of refraction; the effect on speed (V), wavelength (λ) and frequency (f) due to refraction of light;
conditions for a light ray to pass undeviated. Values of speed of light (c) in vacuum, air, water and glass; refractive index µ = c/V, V = fλ. Values of µ for common substances such as water, glass and diamond; experimental verification; refraction through glass block; lateral displacement; multiple images in thick glass plate/mirror; refraction through a glass prism, simple applications: real and apparent depth of objects in water; apparent bending of a stick under water. (Simple numerical
problems and approximate ray diagrams required).
(ii) Total internal reflection: Critical angle; examples in triangular glass prisms;
comparison with reflection from a plane mirror (qualitative only). Applications of total internal reflection. Transmission of light from a denser medium (glass/water) to a rarer medium (air) at different angles of incidence; critical angle (C) µ = 1/sin C. Essential conditions for total internal reflection. Total internal reflection in a triangular glass prism; ray diagram, different cases - angles of prism (60º,60º,60º),
(60º,30º,90º), (45º,45º,90º); use of right angle prism to obtain δ = 90º and 180º (ray
diagram); comparison of total internal reflection from a prism and reflection from a
plane mirror.
(iii) Lenses (converging and diverging) including characteristics of the images formed (using ray diagrams only); magnifying glass; location of images using ray diagrams and thereby determining magnification. Types of lenses (converging and diverging), convex and concave, action of a lens as a set of prisms; technical terms; centre of curvature, radii of curvature, principal axis, foci, focal plane and focal length; detailed study of refraction of light in spherical lenses through ray diagrams; formation of images - principal rays or construction rays; location of images from ray diagram for various positions of a small linear object on the principal axis; characteristics of images. Sign convention and direct numerical problems using the lens formula are included (derivation of formula not required). Scale drawing or graphical representation of ray diagrams not required. Power of a lens (concave and convex) - [simple direct numerical problems]: magnifying glass or simple microscope: location of image and magnification from ray diagram only [formula and numerical problems not included]. Applications of lenses.
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[@akshatpandey4220]

I'm currently preparing for neet, I passed class 12th from ISC board this year(2024) with 95.5 percent.
Was here to see how sir and the superstars were doing, because I was one of them 2-3 years back :)
Thanks a lot again sir, it was because of your help that I was able to score 95.6 percent in my class 10th ICSE boards :)

[@sirtarunrupani]

All the Best 👍🏻

[@amansharma-xq2lv]

Those who have evergreen ICSE books are suffering a lot. Exam always come from ICSE selina books. Reasoning comes from Selina and MCQ from both. This is the biggest problem.😢😢. They should change these books

[@joblessblink3048]

Where are you from

[@ARRYAN003]

Yes Selina for pcmb was too good and detailed

[@theBrownKidzzz]

True

[@Parneetkaur-y5h]

Bro we have Frank educational books 🥲

[@Shabanafnadaf-em4yu]

True

[@kapishmalhotra7289]

Sir u didn’t explained the derivation of prism.(i+e=A+deviation) completely. You left it in the middle. Explain it again sir. 🙏🏻 please

[@Gamervig3009]

Bro derivation is not in syllabus this year

[@kapishmalhotra7289]

bro but in selina it is and icse board always follows selina edition rather than all these stuff

[@Gamervig3009]

@@kapishmalhotra7289 my school also follows Selina but everything in Selina is not there

[@arti4228]

Anyone please send the work of Julius Caesar ACT-4 SECNE-3

[@sacredsollutionsandsuccess3636]

Just google it

[@IndraniSarkar-i7n]

Sir please make history videos for class 10 icse i am having my exams from September month 😢

[@NamanWadhwa-w7b]

Physics starting chapters 🥰
Ending chapters☠️

[@MotivationalHub4Yu]

Sir went in speed of light to somewhere else😂 15:37

[@MOODY_BHAI_1272]

2024_2025 attendance here🙃

[@Gamervig3009]

I hate these like greedy comments all videos about ICSE class 10th have these comments

[@meenadevi238]

Offx bro dum 😂

[@Ayush_shorts695]

Yes

[@prativa4006]

Of course

[@itsmeytshorts1272]

Absent bro 😂

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Padh le bhai
Comment mat scroll kar

[@Bandook_Gaming]

OK THANKS FOR REMINDING ME😂😂

[@pratik5704]

😂😂

[@kunal_.66]

sir your video helped me a lot, you lecture help me to clear my concept more , sir you are the best teacher ever i have seen. Thank you sir for every thing.

[@jamestudu6866]

Sir i am very grateful to you because you made my life i am below middle class and through your free classes now i am able to dream to be a successful person in my life.❤

[@ushabanik638]

Tomorrow is my exam nd i m seeing UA-cam videos today hahaha😂❤

[@mohinimukherjee3430]

You're not the only one..haha..but yeah..this is a informative vid..so there's no problem

[@GodMakeItClap]

38:24 yes

[@sakshamgamerzx528]

44.14 total internal reflection started

[@VanitaPatel-yv9er]

Sir, I am not able to open your notes in your website. So, did there is another way to get your notes. Sir please reply me as fast as possible

[@pratapchandrabrahma9812]

Sir you didn't send the notes of this chapter in telegram

[@Mg011]

2025 bhai log ❤
👇

[@dj_jokergaming]

38:35 real and apparent depth

[@veerrock6121]

Best sir ever

[@ranitchakraborty2431]

35:24 sir some portion got cutted off

[@swatantraghosh7147]

😊

[@basujaisee]

Yes

[@ItsIconicDear]

Cutted ❌ Cut ✅

[@RachanaGupta-t7k]

​@@ItsIconicDearyes

[@NikhatPerween-q4f]

Highly recommend, best video, csnt explain I'm so happy that u cleared all my concept ❤❤❤❤❤❤❤

[@SubhamDey-tt8pt]

Thanku Sir for your marvelous explanation 😊

[@Everyday_Max_outedit987]

One day before exam 😢

[@abgamer8875]

Tomorrow physics exam 🤲

[@shortsonly2232]

From

[@Ruchipawar-music1]

As a homeschooler till class 8,i found it very difficult in understanding such in depth concepts ,with only your help i was able to score good marks in ninth,,Thank u so much sir

[@bhavyaboghara]

7:46 yes sir meri gaddi zum se challegi kyu ki usme mene extreme condition vale suspension fit karvaye hai

[@_ram_siya_]

sir humble request sir please can you make your next video on rectilinear figure class 9 icse please monday is my maths exam pls sir🙏

[@abhirajsinghsingh6306]

Kis kis ke ab October mein mid term exam haiii.
Attendence here
👇
👇

[@Whynoedits]

Kal hai

[@zaidqureshi785]

sir i apologize that you provide pdf of this unit especially the chapters 4 and 5...and plz you provide mcqs of every unit like 100 mcqs of each unit....0nly of chemistry and physics

[@Anjani-kq3iz]

35:38

[@dhairyaaryan4611]

Sir...the correct answer for question 5 would be option a... frequency depends on the source, not the medium.

[@wineeyyy8977]

Frequency is always constant when it passes throught different mediums so, tht option is wrong

[@MonuMonappa]

Sir if angle of incidence is only critical angle then how can i>C big confusion please cleare it sir

[@nikhilagarwal-c8p]

Sir which chapter

[@VineetaSonkar14]

Thanku sir for making video for class 10❤❤

[@sushilashaw4951]

2025 batch attendance here--------------

[@Vaishnavi_patil07]

Thank you so much sir!!! ❤
Here it's your super star!!!! ✨📚💯

[@geetaraturi6008]

3 time seeing the same video😅

[@wowcooking564]

Thank you sir❤❤❤

[@Moto-ed8sb]

Sir please also make video on ray diagrams ❤❤❤❤ pls sir

[@munnibaranwal6951]

35:27 48:22

[@wowcooking564]

Sir your smile is so good sir it's make my day❤❤❤❤❤❤❤ lots of love from West Bengal🎉

[@hariharrout-kd8eo]

Thanks sir.very good teaching.

[@anshh1515]

Notes kaha se milega

[@shwetakumari-g9v]

sir some portion of derivation got cut off.please explain again🙏

[@mdbasheet47]

B

[@mur2playzz611]

Thank you so much Sir I love your explanations

[@singhsanjeevni09]

sir, ch5 aur 6 karwa dijiye physics me next class se

[@IndraniSarkar-i7n]

Sir biology circulatory system ka video upload kijiye pls

[@nikhilagarwal-c8p]

Sir ye lecture recorded hai!!

[@Manpreet-ke1nx]

Sir pls make video on a considerable speck

[@YugBerlia]

👍thanku sir for the explanation..

[@JahnaviYadav-i9t]

Sir delta prove was incomplete

[@jai__hinduvadi]

Jai hind sir 🇮🇳

[@SanjibHalder-j6o]

1:56

[@joblessblink3048]

People aiming for centum 🙌🏻

[@sumitsarkar9914]

Thanku sir❤

[@RealJ1659]

Sir if apparent depth is seen from denser medium then

[@swagcartoon435]

IF A OBJECT IS SEEN FROM DENSER MEDIUM TO RAER MEDIUM THEN ITS DISTANCE WILL BE GREATER THAN ITS ACTUAL DISTANCE... FOR EXAMPLE TRY TO SEE ANY OBJECT FROM UNDER THE SWIMMING POOL YOU WILL FIND THAT IT APPEARS GREATER IN SIZE OR AT A FARTHUR DISTANCE...
I HOPE THIS WILL HELP YOU

[@RealJ1659]

@@swagcartoon435 yeah thanks a ton

[@swagcartoon435]

@@RealJ1659 😊👍

[@dragonfightergamerz76]

thank you for explanations 😢

[@Dedication_to_study]

Sir aap Physics ke
chapter 5 pe session kab lere ho

[@jeevitha5510]

Sir please teach Home science

[@Sandhu1725]

Sir can u pls make video on physics class 9 icse candid book

[@mramv8913]

SIR YOU ARE THE BEST

[@siddharthbhattjaishriram7521]

Sir class 9 physics chapter Heat ang energy

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Ye chapter pe multiple choice

[@POPGAMING69]

thank you sir plz like the video all here

[@nikhilagarwal-c8p]

Yess

[@gyanjp2794]

1 min before exam

[@Guxigem7]

How do i get notes? Plz help

[@Lordfreeza45]

Knowledge boat on internet

[@ankitsingh-z7n]

@@Lordfreeza45 thanx man

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🔥🔥🔥🔥🔥

[@mdbasheet47]

D

[@PrashantKumar-jq9kj]

Thank u sir

[@SatpalSingh-lh8be]

1 c

[@AditiTantia]

Derivation aayega sir

[@Moto-ed8sb]

Derivation course mai nhi h

[@arti4228]

Sir Tarun rupani fanz

[@Sandhu1725]

We really need ur help

[@Kanhaaa-K]

Hiiiii ❤

[@JayaTiwari-em5xo]

❤

[@sonikadhull695]

Sir next force chapter please 🙏😊

[@rushanalam3518]

35:55 35:55 35:55

[@ShivamKumarpandey-hf1fs]

❤❤❤❤

[@shreyashreepc877]

Hi sir please make videos for class 11

[@Pahadiassociation]

2024 9th Batch 😂😂

[@veerrock6121]

First

[@technogamerzbro48]

2025 superstar

[@mad_young_scientist_8]

sir i watch your video in 2X speed and i understand very well

[@AshuSingh-dl4lz]

😢

[@rohitp6026]

Physics Walla jindabad ❤😂

[@aabhinavkeshri7962]

Sir this chapter is over

[@Mr-Top10_69]

Nobody will know how I got so much likes

[@RanaYTmivlog]

2069 batch attandance 😅😅

[@Whynoedits]

Chup chapri

[@somasarin9522]

Hello sir i wanted to join your whatsapp group for class 9 but it says that it is full. So sir please help me in this matter as I love your video and it has helped me a lot to progress in my studies.

[@ankitsingh-z7n]

whatsapp group is only used for videos

[@SrijitBhattacharjeeICSE]

Thank you sir