CBSE Class 11 science: Measurement and Error Analysis Videos | Measurement and Error Analysis
Measurement and Error Analysis
This video explains the international unit system, parallax method of measuring large distances and estimating the diameter of a molecule.
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Exam Decoded
- A suitable unit for gravitational constant is
- in a circular vernier caliper value of 1 msd is 1' and 30 vernier division coincides with 29 msd. calculate least count of instrument
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In this que while solving it we take D F of alpha =D.F of beta.Why is it so?
- Power unit
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name to fundamental forces in nature
- Calculate the angle of (a) , 1°(b) 1`(minute of arc or arcmin) and (c) 1``(second of arc second) in radius. Use 360°=2? rad, 1°=60` and 1`=60``.
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if the momentum of body decreases by 30% its kinetic energy decreased by
- 1. EXPLAIN HOW TO MEASURE DISTANCES USING THE PARALLAX METHOD (BCZ IT IS CONFUSING). 2. HOW DID THE MOLECULAR DISTANCE HAS BEEN FOUND USING THAT ACID(WHOLE PROCEDURE)?
- The focal length f of a mirror is given by 1/f=1/u+1/v where u and v represent object and image distances respectively. Find relative error in calculation of focal length if u & v are (100 ± 3)cm and (200 ± 4)cm respectively
- error