Light | Full Chapter Revision under 30 mins | Class 7 Science
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- čas přidán 13. 02. 2024
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1i=Uses of concave mirror=used by dentist to view teeth
1ii=uses of car rear view in mirror
2=convex lens is used as magnified when object object is very close
Today is my exam in 30 min 😢
Tommorow is my exam...😑😓
All the best 😊 ❤
😂
Bhaiiii kal mera exam h or mai ab 11 baje baithi hu padhne ....bhaiii mujhe 65-70+ marks chaiya out of 80 😢
Kasa question aay tha please tell
THE BEST SCIENCE LECTURE ONLINE. THANKYOU VERY MUCH FOR THIS. WAS TOO CONFUSED AND WORRIED ABOUT THIS CHAPTER BUT THIS VIDEO MADE ME A MASTER OF IT AND I EVEN TAUGHT IT TO MY FRIENDS AND RECOMMENDED THIS TO THEM ! THANKYOU VERY MUCH ! WE NEED TEACHERS LIKE YOU !
🎉
This is the best channel ❤ .
Every chapter is explained very well for FREE ❤.
Very great teachers even better than school teacher❤❤.
Only able to understand this chapter because of you sir 🙏
Hats off to you sir 👐
Q1- Concave mirror use- Torch light
convex mirror- parking lots
Q2- Convex lens is used because the image appears magnified using it.
Tip For All You Guys:- Watch it at Speed 1.75x
Sir this should be today because conservation of plants is not there for exam
1 use of concave mirror is : used by dentists to view teeth.
1 use of convex mirror: used in car rear view mirror
convex lens is used as a magnifying glass
Q1 Concave mirror :- used by dentists.
Convex mirror :- used as side mirror in vehicles
Q2
1.Concave mirror is used by dentist
Convex mirror is used as side view mirror of vehicle's
2.CONVEX LENS
why is the surface of a torch a concae mirror and fflashlight a concave lens?
Concave mirror
Shaving mirror, dentist mirror
Sir thanks for this amazing explanation really appreciate your work ❤❤❤
Convex lens used in magnifying glass
ques 1 ans : concave mirror:shaving mirrors
convex mirror:rear view mirror
ques 2 ans: concave lens
Hi 17:20
Thank you for your information
Sir,what is ' curvature '
Convex lens is housed as magnifying lens
1st like and comment too❤❤❤
Give him Oscar 😅
@@alladin.6 not need🖇️😒
yh@@Savage_girl46
Not him its her Its a girl
@@Sanjana_gowda161 hehehe😄
1.concave =flashlight
Convex=microscope
2.convex is used in magnifying glass
Thx
Thanks you sir ❤😊
Concave are used in torchlight
My Finals are tmrw and this is my late night studying cuz I can't understand anything from my text 😭😭 better work
Same case here bro
1.Concave mirror=used by
dentists
Convex mirror=parking lots
2.Convex lens as it magnifies close objects
Legends are no joke watching this one day before exam🗿
my fav channel❤❤
Concave mirror - dentist 🦷
Convex mirror - vehicle 🚑
Convex lens .
By E mahasree
Sir, thank you for clearing this chapter🤓. I like your teaching style 😇
Sir : AS WE KNOW THROUGH OUR STUDY THAT IN REAR VIEW MIRROR CONVEX MIRROR IS INSERTED THEN HOW IT CAN FORM LATERAL INVERTED IMAGE
Convex lenses are used in magnifying glass
Sir but what do you mean by screen
pls answer i hve paper on monday
I score 96 out of100 thanku sir.. 😊😊
Q2. Concave lens
Tomorrow is my science exam
And your video is very usefull
Which school
Kv?
❤ I'm 2nd 😊
Convex used in car side mirror
Sir said, that concave mirror is called converging mirror. Watch converging mirror.
so
@@psych0264 concave lens is diverging lens and sir said that it is converging lens
@@Princesingh0004 yeah... ur right
Thanks
CONVEX MIRROR AS SIDE VIEW MIRROR
4th Comment and 3rd like......! ❤❤❤❤
@@desidynamite Hi Navya sis...😃
Its 2:00am rn and im here watching this video when my science exam is tomorrow bruh😢
Some legends are watching this video one day before of the exams 😅😂
Yep
Hi sir
Today is my exam in 4 hrs hope this will help
My exam is after 2 days😮
Menti ❤❤
Sir, the byjus learning app is free????????
No
12th
Sir what about sst classes
Sir class 7th science chapter 12 live
5 days left my exam
Magnifying glass
Convex lens
CONVEX LENS
Tommorow is my exam 😂
Tomorrow is my exam science 😢😢 wish me best of luck 😅😅❤ I have to complete 7/10 chapters in this one day 😢😢😢 😅😅
MICROSCOPE
Man its my science test tomorrow it will like help me 😂😂😂😂😂
U have give that this chapter is for class 7 in the title of the video
Yeah please change it
so it is for class 7
It was written as class 8 before it was on live
Thank you sir
Life saver 😊
lengends see this vio before exams like if u did
Ok
Today is the day before my science exam I am scared 😢pls help
81 comment and 139 liked
Doubt
1:20 video start
Hi
Byju's doesn't check the comments
my confusion is in the sin bin now
3rd
Hi 6:54
Concave Mirror: Shaving Mirror
Convex Mirror: Rear view mirror
Convex Lens= Magnifying Glass
350th like
Tomorrow is my exam 😢
😢mine also
Mene to notebook be nahi kole😂😂😂😂😂 pass hogau bas
Sir please speak in hindi language
no pls english
@@RealBlueMC-Eshanyup. Btw you make cool vids
Tomorrow is my exam
You bola in hindi idk hindi if i get low marks the reason is you
Is it free
Yes 😊
This is for class 8th
no
There is no class today also ??
I am going to giving exam but i dont read😢
Exam khatam .Tum abhi padhane aayi hai .itna english humko nahi aata, suru me english sunke lga galat aagya
Tum bar bar reply derahe ho free ho kya
Aur ek baat ladka ho ya ladki.
Me 15 saal ka hu, aur 8 me padhta hu tum?
Tomorrow is my exam pray for me ❤
worst video
Nope 🙅♀️ and never
Byju's is always best
it is what it is
even i love byjus but this video was not good
It's a good video
Hi
Tomorrow is my exam
Tomorrow is my exam
Omg same lol 😂