Units and Dimensions: Class 11 Physics | Most Important Questions for NEET 2024-Tamanna Chaudhary

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Iski pdf kha h

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Di ..Nitesh sir se chem ke liye bhi 1000 questions ki series start karne ko bolo na please🙏

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The refractive index (\(n\)) is a dimensionless quantity. It represents the ratio of the speed of light in a vacuum to the speed of light in a given medium. Since it's a ratio of two similar quantities (speed of light), it doesn't have any units or dimensions. However, the formula for calculating the refractive index involves dividing the velocity of light in one medium by the velocity of light in another medium. These velocities are typically measured in meters per second (m/s) or any other appropriate unit of speed. But when you perform the division, these units cancel out, leaving the refractive index as a dimensionless quantity. So, the refractive index itself doesn't have dimensions, but the quantities used to calculate it (such as velocity) have dimensions.

[@Sakshi-mw5zv]

29:11 me it is given that miu is velocity of light in air/ velocity of light in glass and that is refractive index

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Absolutely correct I found on internet our approach is right

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Yea right!

[@DemeanourXEditz-og4lr]

Absolutely correct

[@swarupdhainje1609]

Yaaa refractive index must be unit and dimensionless

[@Deepikarathi.123]

Yess

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Thank you so much mam for the amazing explanation ♥️✨✨✊🏻 Lec -1 ✅ Practice session -1✅ Day -1 done n dusted ✊🏻😎 Love todays class... Hope saare classes dhasuu ho aise he🎉

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26:33 . NAMASTE Mam example 49 is wrong [ μ becomes M⁰L⁰T⁰ because μ is in velocity/velocity form]👍👍👍

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Yes

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Ma'am im sorry but I feel like teaching on ipad is more efficient bcs you're more comfortable w it?

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58:03 🙋🏻‍♀️ sab kuch crystal clear hogaya ma'am

[@shreyashukla.369]

di , vo SL arora vale question me refractive index hi diya hua tha , aapne question thorra sa bs thorraa sa glt pdha tha ,.... the question clearly mentioned velocity of air/ velocity of medium . please do check again . thankyou dii lots of love

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Answer kya ayga fer

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TQSM MAM I FIND APPROACHING PHY QUESTIONS VERY TOUGH IT HELPED ME ALOT ❤

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Mam.. lecture completed in just 15 min.....thnx for teaching..

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Thank you so much di... Concepts bahut ache se clear ho rhe h aur approach v samjh aa rha ❤❤

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Sahi me

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11:23 potential dimension ❌❌

[@BorraSuvarna]

Yess and also capacitance

[@aanac2130]

yess its ml2t-3a-1

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Yes

[@dr.shankernalluri1826]

yes

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All types of questions has been covered... Thanks ma'am❤

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Diii literally it's mind blowing ❤ bt practice session ko 2hrs ka krdo instead of 1.5hrs and pls inc. the no of more quality questions, it will more more helpful , aapke sth questions solve krne ke bd or jyada confidence aa gya hai to thode or jyada ques krva diya kro 😹

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12:13 dimension of resistance..potential...capacitance all are wrong proved 🥲

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Mam has changed it in the further video

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Yup

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1:28:18 Mam vo AU hi hai (1AU=1.5*10 to the power 15) 😑😑😑😑

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Wo questions muje smja skte ho aap??😅😅

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Lecture starts from 4:57

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Your teaching style is osm❤❤❤

[@RajBiswas9]

27:40 μ is refractive index= C/V so μ is unit less so in this case, 'A' will be unit and dimension less 'B''s unit is Meter² ( dimension will be M⁰L²T⁰ ) Correct me if im wrong 🙏🏻 In question there is mentioned that μ is refractive index

[@kaushikisingh9663]

True this is what I did

[@swarupdhainje1609]

B ka unit meter pet square ayega lamba ka square diya hai na bhai

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@@swarupdhainje1609 ha bhai my mistake

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Di I love the session que kaafi aache h .all concepts clearity hogyii thank uh aese que practise krvate rahe aap or mam ncert k que thode or practise krvaye love uh ❤❤

[@Kaustubhtiwari06]

Mam in your dpp unit and dimensions the 3rd question is miss printed please check it

[@EliasAhmed-s4v]

In case of addition and subtraction no. of digit after decimal will equal to the least no. of decimal amongst them

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Thank you so much ma'am for this amazing session 🎉🎉🎉🎉 Ma'am please tell sir to start chemistry practice session too! We are facing difficulty in chemistry too ma'am!!!

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Tq...mam so much this practice session...❤

[@Sarika_Dahiya]

Mue refractive index hee h di even acc ques 29:00

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Yeah

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You are totally awesome hats of you that you are teaching so brilliantly.🎉🎉

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# UD completed # Day 1 completed Thank you 😊😊 so much dii for the amazing session ❤❤

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Mam you are soo smart in all aspects and your way of teaching is soo repetative❤

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Thankyou So much mam for this session and this whole series of questions solving

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@@Nidhi_M no

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@@JessShit555 is that topic deleted??

[@swatijha3700]

Thank you mam really helpful

[@RAVIKUMAR-xx6oc]

Correction : its given , u = v of light in air/ v in glass. So dimensionless.

[@ekta2683]

Yeah it is Dimensionles

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Thankyou ma'am, this lecture really helped me to improve even in the last few days!

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the lecture is amazing 😍😍 maam😍

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thankyou so much ma'am ....literally now i believe this will help me alot

[@dr.jahanviteotia]

Firstly Dii thank you so much for this amazing practice Session❤, one request dii please provide answer to these questions(side m choti si jagha m question ka answer)taki jb hm solve kre calculation to hme right anwer pta ho🙏🏻

[@the_art_1324]

28:50 didi aapne iss point pr toh u kr equal krdi dimension a ki but 29:46 but aapne p ke equal krdi dimension a ki aisa kyu....

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# UD DONE 🔥🔥🔥🔥amazing session maam thank you so much❤❤❤❤

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Resistance dimensions are ML^2T^-3A^-2

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Mam plzz ncert examples ..qstion..points to ponder..ye bhi lana ...plz plz .. totally depends on u ❤️❤️

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Outstanding session MAM..😊😊

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Mam aap electrostatics, capacitance and current electicity bhi karva dijiye please

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Krwaegi bhai rukja😊

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THANKU so much didi ❤.... Smjh mai aa gya didi 😊

[@swarupdhainje1609]

Yar itna bhi kya ego pe lena at 28:00 pe vo refractive index he hai velocity of light in air by velocity of light in glass dimensionless he to hoga galti manlo 😒

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Yess correct

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Bht acche s clear Kiya aapne sb .....❤❤❤❤❤thnk uh so much 🎉❤

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25:20 ques m direct a or b ko bhi toh equate krskte bina force se compare kare

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Yssss

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Ans l1/2 ara hai kya

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11:19 maam it should be T^-3

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@11:33 current ka dimensions wrong h

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[@mansiverma2053]

Amazing 😍 love it mam 💖

[@arkapravadas412]

26.33 video part the si unit of A is 1 (M^0L^0T^0 )as it is dimensionless and si unit of B is metre^2(M^0L^2T^0).please comment or like my answer

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Ma'am please try to include all important ncert lines if possible.....bcoz in NEET 23 a question from this chapter was asked and it was a completely theoretical question.

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Mam plzzz chemistry k bhi 1000 question vali series layi jaye plzzzzzzzzzzzzzzzzzzzzzzzzz

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UD completed thank you mam❤🎉🎉

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What she says she really means and do 🎉❤

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Thank you so much ma'am you are the best UD completed

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Tamanna di ki class m aake lgta hai chalo atleast English meri track par hai 😅( also gets to learn more good vocab words ) thnku di loved the session too ❤

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UD DONE🌸 Amazing session ❤️

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UD✅

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13:32 pr mam ne thoda wrong kr diya hai carefully correct krle sbhi

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Omg didi rocked❤

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Vwry amazing session 🎉🎉All concepts are crystal clear ❤❤

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Mam per hame dimensional formula nikal ke liye abhi formulas learn nahi hai to abhi hum kyaa kare ??😢 kyu ki humbe to abhi current or gravitational padha hi nahi hai

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Super lecture mam❤❤❤❤❤

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Day 1 completed 😊🙏😊.

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1:01:32 1:09:57 1:13:11 1:26:34

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# UD COMPLETED 🔥🔥 Thankuh mam for this amazing session ❤

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Thank u so much Dii ❤all concepts clear

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Guys telegram link kaha hai is batch ki ?

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Koi muje btayega mam saare chapters ki series complete kr dengi before neet ??

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Ho chuke h sirf 1..2 bache h

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@@bunchofcraft_04 mam ne unit or dimensions m vernier caliper waale ques.ku ni kraye..?

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really thankful to you TC mam❤❤

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Tq di❤

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# UD completed ✅ Thank you so much for such an amazing session di ❤️

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Thanks ma’am feeling confident in this chapter now🥲🙏

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Day 1🎉!!!!!!!! Complete ✅

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Mam maine pehli baar hi pdhi hu unit & dimension , or one shot with dpp with this session bahut achhe se smjh aaya mere se swal v lg rhe bs 1 deen mehnat krne p iss chapter pe.. ❤thanks ❤!!

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Amazing question practice mam 🔥 thank you so much mam ❤

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❤❤❤ thank yu mam for the wonderful class

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Tysm ma'am ❤

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SINCE MOST OF US ARE ENROLLED IN TEST SERIES THAT USSUALLY START AT 10 AM .. BUT OUR MORNING CLASS ENDS AT 9:30 COULD YOU CONSIDER CHANGING TIMINGS AN HOUR OR HALF AN HOUR EARLIER

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Mam where I can get DPP??

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Mam ke one shot enough h neet ke liye

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H

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Haa❤