L4 – Measurement Errors – Units and Measurements

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Friday, February 05, 2021

Video Format

Topics/Questions discussed in this video:

 

Example 2.7 We measure the period of oscillation of a simple pendulum. In successive measurements, the readings turn out to be 2.63 s, 2.56 s, 2.42 s, 2.71s and 2.80 s. Calculate the absolute errors, relative error or percentage error.

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L3 – Parallax Method Units and Measurements

Topics/Questions discussed in this video:   Example 2.2 A man wishes to estimate the distance of a nearby tower from him. He stands at a point A in front of the tower C and spots a very distant object O in line with AC. He then walks perpendicular to AC up to B,...
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L10 – Exercise 2.1 to 2.6 Units and Measurements

Topics/Questions discussed in this video: Note : In stating numerical answers, take care of significant figures. Exercise 2.1 Fill in the blanks (a) The volume of a cube of side 1 cm is equal to .....m3 (b) The surface area of a solid cylinder of radius 2.0 cm and...
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L9 – Example 2.9 to 2.12 Units and Measurements

Topics/Questions discussed in this video: Example 2.9 The resistance R = V/I where V = (100 ± 5)V and I = (10 ± 0.2)A. Find the percentage error in R. Example 2.10 Two resistors of resistances R1 = 100±3 ohm and R2 = 200 ± 4 ohm are connected (a) in series, (b) in...
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L11 – Exercise 2.7 to 2.15 Units and Measurements

Topics/Questions discussed in this video: Exercise 2.7 A student measures the thickness of a human hair by looking at it through a microscope of  magnification 100. He makes 20 observations and finds that the average width of the hair in the field of view of the...
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L7 – Dimensional Analysis Units and Measurements

Topics/Questions discussed in this video: Dimensional Analysis Units and Measurements Download PDF of Notes
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L8 – Example 2.6 – Units and Measurements

Topics/Questions discussed in this video: Example 2.6 Two clocks are being tested against a standard clock located in a national laboratory. At 12:00:00 noon by the standard clock, the readings of the two clocks are : MondayTuesdayWednesday Thursday FridaySaturday...