Units And Measurements Class 11 Physics Chapter 1 One Shot | New NCERT syllabus CBSE | Full chapter
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- Опубликовано: 24 июл 2024
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Class 11 CBSE Physics NCERT Chapter 1 Units And Measurements
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Class 11 CBSE Physics NCERT Chapter 1 Units And Measurements
Timestamps:
0:00 Introduction
1:52 Introduction
9:34 Base Unit
10:17 Derived Unit
10:48 SI Units
12:30 SI Base Units
13:06 Significant Figures
15:35 Rules defining Significant Figures
18:38 Change of units doesn’t change Significant Figures
19:52 Ambiguities in Significant Figures
21:36 Scientific Notation
25:00 Rules for arithmetic operations with Significant figures
27:16 Rounding Off uncertain digits
33:46 Example
35:25 Dimensions of Physical Quantities
36:52 How to write Dimensional Formula
37:14 Examples of Dimensional Formulae
38:42 Dimensional Equations
39:52 Applications of Dimensional Analysis
42:08 Dimensional Analysis:Conclusion
43:12 Dimensional & Non-Dimensional Constants
Units And Measurements Class 11 Physics | Previous Year Questions | CBSE Sets Questions | Units And Measurements Main Previous year Questions | Units And Measurements | Dimensional Analysis | Dimensional Equations | Scientific Notation | SI Base Units | Rules defining Significant Figures | Derived Unit | Base Units | Rules for arithmetic operations with Significant figures | Applications of Dimensional Analysis | Dimensional & Non-Dimensional Constants | Units And Measurements NCERT notes pdf | CBSE Physics | Physics CBSE Coaching| NCERT Physics for CBSE |
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Who is here in July?? 😁
Timestamps:
0:00 Introduction
1:52 Introduction
9:34 Base Unit
10:17 Derived Unit
10:48 SI Units
12:30 SI Base Units
13:06 Significant Figures
15:35 Rules defining Significant Figures
18:38 Change of units doesn’t change Significant Figures
19:52 Ambiguities in Significant Figures
21:36 Scientific Notation
25:00 Rules for arithmetic operations with Significant figures
27:16 Rounding Off uncertain digits
33:46 Example
35:25 Dimensions of Physical Quantities
36:52 How to write Dimensional Formula
37:14 Examples of Dimensional Formulae
38:42 Dimensional Equations
39:52 Applications of Dimensional Analysis
42:08 Dimensional Analysis:Conclusion
43:12 Dimensional & Non-Dimensional Constants
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Pressure=
F/A
[MLT-²]/L×L
[ML-¹T-²]
😅
Pressure= force / Area.
• Mass×Acceleration/ Area.
• M. ×Velocity/time./Area.
• M × Displacement/time/T/Area.
•M. × L. /. T. /. T. / Area.
•M. × L. /. T. /. T/ Length× Length.
• [ ML-1T-2].
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Pressure: [ML-¹T-²]
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Pressure = Force / Area
MLT^-2 / L²= ML^-1T^-2
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I don't understand how to put the dimension i am confused for pressure F/A
See, P=F/A
As, F=ma = [M]*[LT^-2]
Also, Area unit is m² = m*m i.e. [L]*[L]
Then, P = [M]*[LT^-2]/[L]*[L]
Therefore, P= [ML^-1T^-2]
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Principal of homogeneity , some units to measure distance kya yeh sb topic new book mei delete ho gye ? Please inform because mere padd puraani book hai
This is there in the rationalised book. Refer pg 8. Some units to measure distance will be needed in Checking the Dimensional
Consistency of Equations.
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Yes..this video is based on the latest syllabus of NCERT.
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ma'am displacement ka dimension T kaise hoga?
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ML-1T-2
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Pressure =F/A
Force[F]= [M1 L1 T-2]
Area[A]= [L2]
Pressure [P]= [M1 L-1 T-2]
thanks bro
Kon kon ye video July me dekh ra hai like karo