Light Chapter Class 8 Science (Chapter 16) in One Shot | BYJU'S - Class 8

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Welcome, Achievers! In today’s episode of BYJU'S Champions, our BYJU’S expert explains CBSE Class 8 chapter "Light" in one shot.
This is a very informative session, as Saurabh Sir teaches in depth about the laws of reflection, types of reflection, multiple reflection, kaleidoscopes, dispersion of light, and the human eye in one shot.
Saurabh Sir leads you through the concepts in a very interesting way. So make sure to watch the video till the end and use the live chat box to clear your doubts.
Don’t forget to like, share, and comment.
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🔷 Enter India's Biggest Quiz Competition on CZcams 👧👦- BYJU'S Quiz Masters :bulb:: forms.gle/3RhVEihLma7LK9qf6

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00:16 Preparing for Class 8th light chapter
04:04 Light enables us to see and understand the world around us.
09:01 Reflection, angle of incidence, and normal in light.
12:14 First law: Angle of incidence is equal to angle of reflection
19:06 Mirror reflection explained: regular vs. diffuse.
21:50 Understanding irregular reflection and its impact on the surface
27:39 Symmetrical letters are reflected the same in a mirror
30:32 Properties of Image Formation by Plane Mirror
36:02 Creating beautiful patterns using multiple reflections
38:06 Take help now for small information, as you won't get another chance later
43:05 White light splits into its constituent colors
45:17 Pupil size changes with light intensity
49:24 Optic nerve and blind spots explained
52:46 Transition from bright light to darkness activates cells inside our eyes
57:10 Taking a break for 2-3 minutes is important for children's learning

[@Sub2GoldWHO]

Thank you for this

[@Danish_Kumar_The_Rockstar]

Wy are you so jobless???

[@Sriramsaranga]

@Danish_Kumar_The_Rockstar Its his wish, he is trying to help us, unlike u

[@SimpleArtwith_Sam]

Thankk youu sooo muchh💗💯✨

[@siddharthallgamingsg1566]

Ek kaam Karo pahle bacchon se hi baat kar lo baad main padhana 😂😅

[@SurajSingh-lf4nr]

Sidd name Wale sab aise hi hote hai kya matlab savage

[@SurajSingh-lf4nr]

Mera bhai bhi same hai

[@user-tp4jz7zz5m]

Correct

[@challengexyz5409]

Yes very right

[@ayushraj_gupta555]

❤❤

[@anjuanju9607]

Kon kon Ek din Phele video dhek raha hai 😂😂😂

[@VinayaksinghChawda-wp1bu]

Me

[@chetnasingh114]

57:48 minutes mein sew 30 minute mehra liye 25 minutes padhaye 2:48 minutes apni tareef kiye.... bohot sahi 😊

[@BajiKaisuke-tc1pq]

Reflected light can BL reflection again

[@ashkhan8032]

Any toppers

[@mandeepkaur7626]

me

[@Dark_Animations293]

Me bro❤❤

[@gopikota1346]

Let's dominate

[@amanmehta2146]

Sir please explain again how mutiple umage is formed in kaliesioscope and waht is kalideoscope

[@snowflake7624]

Sir which part of eye give it it's colour and how? There is a white portion of eye for which reason it is?

[@seemaverma7933]

Iris gives distinctive colours in our like like brown , black , and blue. We shall read that how it gives in 9 or 10 class so have patience.

[@snowflake7624]

@@seemaverma7933 Thankyou

[@Wewewe754]

rods and cones

[@sanvirathore2015]

20:02 yes sir it's parallel

[@NarendraSahu-nm9jk]

51:00 Yes

[@kartikchandra4258]

last mein toh book se hi padna padta hain sari definition😢😢😢...

[@harshadgoswami7836]

My science exam is tomorrow
Pray for me

[@anshhh950]

How did it go

[@sunilkumarkularia4913]

15:40

[@kalawatidevi3845]

Sir please make kaleidoscope and periscope ..

[@user-jh8zd8dw9h]

Sir I have a doubt in laws of reflection
*If angle of incident is 30 the how is angle of reflection is 60

[@tanishka_21]

As the 30 angle was between incident ray and surface and not between the normal and incident ray.. and if the angle between the the surface and incident ray is 30 then, the angle of incident will be = 90-30 which is 60 so.. the angle of reflection = angle of incidence.. that is 60.
Hope it helped you..!!

[@samimaaktara5900]

Yes

[@vikaschaudhary7252]

Sir can you please do a session on light's chapter ncert solutions

[@TanjikoGaming]

Refraction of light?

[@neerajsmali9447]

Thnk you sir it helped me alot

[@harshfreefiregamer4036]

😍😍😍😍😍thank you sir

[@normal_editor_1]

Tomorrow is my final exam😅

[@Anshika-do2gs]

Mine also 😂😂

[@user-vk7ur8xt9s]

Same here broo 😂

[@gunguntagore8912]

Thankyou sir for this session 😃😃 you made all concepts easy

[@byjus-class-678]

Most welcome 😊

[@muthuvel9407]

thankyou sir
@@byjus-class-678

[@nimmypynadth9817]

Thank you sir and byju's

[@rubirathi2975]

Yes sir I saw a rainbow in the fountain of Hawamahal

[@lingeshachs4672]

sir I have a doubt, when we use a light or a ray we cant see in the air. Why?

[@neetusharmasharma9284]

Because it does not reflect

[@lingeshachs4672]

@@neetusharmasharma9284 tq bro

[@neetusharmasharma9284]

@@lingeshachs4672 it's ok bro

[@sugra964]

Thnk u Sr

[@dnspranav]

32:37 infinite hair tunnel of doom

[@Hemanthkumar-it5ev]

Sir my science all capters are cler becoz of your teaching sir and doubts are all clear sir😃

[@meenakshialexzander168]

My exam is in like a week this helped a lot thank u so much ❤😊😊

[@brockytigchamper3987]

All the best

[@user-qz3ds1hh4y]

Today is my science paper 😢😢

[@user-qz3ds1hh4y]

For you all the best

[@royalsingh-fj6tw]

😍😍😍 sir thank what are you doing

[@srkdon-n5t]

Important Topics covered:
00:16 Preparing for Class 8th light chapter
04:04 Light enables us to see and understand the world around us.
09:01 Reflection, angle of incidence, and normal in light.
12:14 First law: Angle of incidence is equal to angle of reflection
19:06 Mirror reflection explained: regular vs. diffuse.
21:50 Understanding irregular reflection and its impact on the surface
27:39 Symmetrical letters are reflected the same in a mirror
30:32 Properties of Image Formation by Plane Mirror
36:02 Creating beautiful patterns using multiple reflections
38:06 Take help now for small information, as you won't get another chance later
43:05 White light splits into its constituent colors
45:17 Pupil size changes with light intensity
49:24 Optic nerve and blind spots explained
52:46 Transition from bright light to darkness activates cells inside our eyes

[@ranijain9224]

Thanks sir really good samajh aaya tho mja aaya maja aaya to samjh aaya

[@PooH2578]

Sir I don’t understand periscope

[@roufpathan5700]

PLZ START NOW SIR

[@ayushkumarmahatha6890]

Sir you teach very good and entertaining

[@ekamjotsingh3962]

PLZ DO ONE VEDIO ON MICROORGANISM

[@user-zo5zf4ot8h]

What is surface

[@cricmirch8104]

Nice session sir I am bsc student student but now I did realize something wrong after watching 👀

[@drajaysharma3085]

Is dangerous lazour can be reflected

[@carunews1968]

Yes because its also a type of light
But with high intensity

[@HimanshiSadhu9294]

12:31
Sir it says that all rays go in se direction not in opposite direction

[@dikshasen7116]

Thanyou sir sir aap ne bhot aacha padhaya

[@Anaxtsiah]

32:12

[@arifgamer-jx1sq]

sir what is snell`s law

[@jatinderkour9580]

Thank you so much

[@kalpanabellale1726]

Kaleidoscope can be also made up of a goldex pen😅

[@saifajavaidwani]

Sir.,please give me definition of "how can a mirror produced exact reflection..?

[@soniatiwari8871]

Sir how to make pericope 42:09

[@chandansonj5705]

Okkk

[@AdityaKumar-yz4uk]

I have a doubt

[@sanskritishivhare8409]

Thankyou sir for this session you made all the concepts easy

[@ManojKumar-em9eg]

What is normal????

[@Hell_King_69]

I have exam tommorow and Instead of continuing the video I am looking at the circle and square lol

[@shalinichauhan5050]

hahahahahahahahah sooo funny

[@ShivkumarSingh-sp4nk]

The image formed is virtual

[@user-pt4yv6th6l]

Thku sir❤

[@anjusharma6770]

sir kaunsa chapter hai?????
sir page no.?????

[@Yo.memes01]

back bencher be like this..

[@niranjanprajapati8153]

Sir if we point a laser in still water what happens

[@rajveersingh1359]

Sir what is kaleidoscope

[@carunews1968]

It’s a device used for fashion designing and is based on principle of multiple images

[@girishsharma9427]

sir your short is very easy

[@user-ib5ew9on6b]

Im from class 6 can you tell what is a mindmap im seeing it in almost every comments in live chat box 🖤🖤

[@QFGAMING]

how does images appear 3d in mirror if the mirror is 2d l x b

[@howtousebrain]

The image in a mirror isn't truly 3D, but our brains perceive it as 3D due to a combination of factors:
Monocular cues: Even with just one eye, our brains use information like size, perspective, and shading to infer depth. These cues are present in the reflected image.
Binocular vision: When we use both eyes, we receive slightly different viewpoints, which further strengthens the perception of depth.
Movement: As we move our heads or the objects in front of the mirror, the image shifts slightly, mimicking how our brains expect to see 3D objects move in the real world.
The physical properties of the mirror itself (its dimensions and flatness) don't create the 3D perception. Instead, the mirror reflects light and preserves the spatial relationships between objects in the scene, allowing our brains to interpret them as 3D..

[@user-xyz...]

Best of luck for your tomorrow exam 😂😂😂😂😂

[@kailashjajoriya1033]

😅

[@AdityaKumar-yz4uk]

Ok

[@aloksharma304]

2:52 2:54 2:55

[@Adityalongadge]

Thanks you sir 😊 for explaining this chapter😊

[@progaming-12344]

27:49 E is symmetrical diagonally

[@QFGAMING]

how is glass on our window transparent

[@abhimade9016]

I want to join but i don't know how to join

[@subhan8thstd196]

Mat join kar bekar hai

[@deepushukla4169]

Thank you sir

[@PratikKumarSingh-gr5gq]

29:43

[@dineshpoonia5862]

13:56 thik ja bhai

[@abhinavtheconqueror7]

21:17 False.

[@kokilam561]

True

[@GyanMarg22488]

yes

[@Ds-hm1ml]

What is menti?

[@jeetSingh-mn3qx]

Hi sir my name is Vivek
Sir I have an quari
What any incedent ray reflect in water so make two normal what I am write

[@mdstarff1012]

Ni hota esa

[@ProfiMotivationking]

Sir how to make Periscope

[@arnamawasthi5403]

😂😂😂what a question 😂 why you want to make it

[@abhinavtheconqueror7]

27:08 A, H, I, M, O, T, U, V, W, X and Y.

[@ChandGulaabi]

motu🤣🤣

[@shatrughanlalchaudhary8234]

Ya❤🎉😂

[@user-hi6df4ns4i]

Light is source of energy which helps us to objeat

[@beenaik4254]

Please take class completely in english

[@nayansharma2697]

Sir thoda hindi bolliya karo

[@VishalPawar-gf3wx]

Sir I score 76

[@huzffgaming9042]

Ok sir

[@ojas485]

Sir What Will Be The Lateral Inversion Of The Word Ambulance

[@mkrgamer1839]

Thanks brthr

[@user-bq4wg9qo4k]

Please make periscope

[@krishnaagrahari7819]

Thank u so much sir for teching us , i m a student of hindi medium but i can understand everything what u r teaching since 6th class .i m very grateful . Keep it up sir and make more session like this

[@ujjawalkumar9410]

How did you write this?
By translating 😂😂😂😂

[@PrinceGupta-mz4ui]

Teaching ki spelling check krlo😂

[@Himanshu_916]

5

[@dalikumari8111]

Light is a form of energy

[@adityabisht1692]

60 15:19

[@jatinderkour9580]

Hi sir my exam is after 2 days

[@adityasingh10th71]

Sir if our eyes is sensitive so why astronaut can see sun rays clearly?
🤨🤨

[@adityasingh10th71]

9

[@hashtag_komal_chaudhary]

They see through sunglasses 😎

[@user-pp4qk3bc7c]

good evening sir

[@nothing-ke4ts]

What is aqueous humour

[@Jjk32962]

🙏🙏🙏🙏

[@rekhajoshi7014]

5,11

[@palakgupta6665]

Thank u so much sir for this session 😁😁

[@niravshelat583]

reflection

[@vivanswondrfulworls.....6533]

There are 2 laws of reflection

[@Arpana.1983]

Thanks sir