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13 lessons,
1h 35m
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Units and Dimensions - Part 1
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Indira Roy
GATE AIR 395 || Passionate about teaching

U
Unacademy user
is this course is designed for ESE 2019? kindly reply
K
dimensional formula of this eqn 1e^2/E°hc ?
  1. UNITS AND DIMENSIONS


  2. 3 QUANTITY ADOPTED AS Z A STANDARD OF MEASUREMENT


  3. UNITS OF MASS,LENGTH AND TIME THEY ARE FUNDAMENTAL BECAUSE: 3 1. Well defined and independent to each other Independent of physical conditions 3. Can be easily expressed in their terms raised to various powers


  4. 3 THE UNITS OF PHYSICAL QUANTITIES WHICH DERIVED FROMM FUNDAMENTAL UNITS OF LENGTH, MASS AND TIME.


  5. 3 FIXED AND REAL VALUE OF ANY PHYSICAL QUANTITYIS INVERSELY PROPORTIONAL TO ITS NUMERICAL VALUE,i.e or


  6. 1. Must be universal of proper size and magnitude. 3 2. Must not be affected by variations in temperature, pressure and time RS O3. Should be easily definable and reproducible