Light | Full Chapter Revision under 30 mins | Class 7 Science

Concave mirror
Shaving mirror, dentist mirror

Magnifying glass
Convex lens

my confusion is in the sin bin now

Q1 Concave mirror :- used by dentists.
Convex mirror :- used as side mirror in vehicles

Q2

Q2. Concave lens

Convex lens is housed as magnifying lens

why is the surface of a torch a concae mirror and fflashlight a concave lens?

Hi

Tomorrow is my exam

Concave are used in torchlight

Convex used in car side mirror

Convex lens used in magnifying glass

1.concave =flashlight
Convex=microscope
2.convex is used in magnifying glass

Tomorrow is my exam 😢

Tip For All You Guys:- Watch it at Speed 1.75x

Thank you sir
Life saver 😊

Tomorrow is my science exam
And your video is very usefull

My exam is after 2 days😮

I am going to giving exam but i dont read😢

Tomorrow is my exam pray for me ❤

Byju's doesn't check the comments

Thank you for your information

my fav channel❤❤

350th like

I score 96 out of100 thanku sir.. 😊😊

Sir said, that concave mirror is called converging mirror. Watch converging mirror.

Today is my exam in 4 hrs hope this will help

5 days left my exam

Thanks

Tomorrow is my exam

Tommorow is my exam 😂

My Finals are tmrw and this is my late night studying cuz I can't understand anything from my text 😭😭 better work

You bola in hindi idk hindi if i get low marks the reason is you

Today is the day before my science exam I am scared 😢pls help

Mene to notebook be nahi kole😂😂😂😂😂 pass hogau bas

Tomorrow is my exam science 😢😢 wish me best of luck 😅😅❤ I have to complete 7/10 chapters in this one day 😢😢😢 😅😅

Sir class 7th science chapter 12 live

lengends see this vio before exams like if u did

Man its my science test tomorrow it will like help me 😂😂😂😂😂

Thanks you sir ❤😊

Tomorrow is my exam

Sir but what do you mean by screen

pls answer i hve paper on monday

Some legends are watching this video one day before of the exams 😅😂

Legends are no joke watching this one day before exam🗿

Sir thanks for this amazing explanation really appreciate your work ❤❤❤

1.Concave mirror=used by
dentists
Convex mirror=parking lots
2.Convex lens as it magnifies close objects

Its 2:00am rn and im here watching this video when my science exam is tomorrow bruh😢

aghhh his attitude is like mad useless buffalo

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