Dimensional formula # physics quantity # SI unit #pdf # Formula of quantity Imp. for class 11,12

Dimensional formula # physics quantity # SI unit #pdf # Formula of quantity Imp. for class 11,12

Important concept for 11 ,12 ,neet as well as jee

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Class 11 Physics, the concept of dimensional quantities and dimensional analysis is an important topic. Dimensional analysis is a method used to check the correctness of equations and to derive new relationships between physical quantities. It involves analyzing the dimensions (units) of various physical quantities involved in an equation.

Here are the key concepts related to dimensional quantity and analysis in Class 11 Physics:

Dimension: A dimension is a measure of a physical quantity without any numerical value or unit. For example, length, mass, time, etc., are dimensions.

Dimensional Formula: It is a way to express the dimensions of a physical quantity in terms of fundamental dimensions. For example, the dimensional formula of velocity is [LT⁻¹], where L represents length and T represents time.

Fundamental Dimensions: These are the basic dimensions from which all other dimensions are derived. The commonly accepted fundamental dimensions are length (L), mass (M), and time (T).

Dimensional Consistency: According to the principle of dimensional homogeneity, the dimensions of physical quantities on both sides of an equation must be the same. This is known as dimensional consistency. It helps in verifying the correctness of equations.

Dimensional Analysis: Dimensional analysis is a powerful tool used to derive new relationships between physical quantities or to convert between different units. It is based on the principle that a physical equation remains unchanged if the dimensions of all the terms in the equation are consistent.

Applications of Dimensional Analysis: Dimensional analysis is useful in various situations, such as:

Checking the correctness of equations by ensuring dimensional consistency.
Deriving relations between physical quantities by equating their dimensional formulas.
Converting between units by using conversion factors derived from dimensional analysis.
By using dimensional analysis, you can often derive important relationships between physical quantities without performing detailed experiments.

Note: This response provides a brief overview of dimensional quantity and analysis in Class 11 Physics. It is recommended to refer to your textbook or consult your teacher for a more comprehensive understanding and additional examples.

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[VirenderSingh-gxdz]

You will find all of these in your NCERT book last page . Physics part 1

[zephyr_]

Cool Thank you soo much it will help me in not to get scold by my teacher during surprise assessment...

[informvlogs]

It'll help a lot at that time when exams are coming 🙏 🙂 Thanxz sir🥂🖤✋

[somadevi]

Thank you bhaiya bohot shi notes hai aapke 😊

[baidarbakhat]

Thank you so much sir....😊😊😊I received the pdf.

[Earn_with_Prince]

Thank you bro very very very very very very very very very very very very very very very very very very very very thanks bro

[AnshXHindu]

Jee aspirants laughing in corner-
ye to hum khud derive kar lenge

[BGSTUDYATOZ]

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[Miss_coco_]

Yrr kuch kuch dikh nhi raha .. or description ki link kam nhi kr rhi

[Bot-umesh_]

Bhai full bejo na like ke niche nhi dikh rha

[jarodia]

Sir 7th quantity me accn ka kya meaning h

[padmavathiraichur]

Can u explain y si unit of moment is kgm2 y not kgm/s

[musharafjahan]

Sb isne alakh sir ke YouTube channel se copy Kiya hua h khair badhiya h 😊👍

[bgt_lokesh_ff_]

bhai spelling mistake hogi dekh lena.
Velocity = displacement / time m0 L1 T-1

[mehwish]

Angular velocity ki dimension kia h dikh nahi rhi