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Making measurements and analysing data

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Question 6

An experiment is conducted to determine the focal length of a convex lens. Five students independently measure the focal length and obtain the following values:

24.1 cm,25.3 cm,24.5 cm,24.9 cm,24.7 cm 24.1\text{ cm}, \quad 25.3\text{ cm}, \quad 24.5\text{ cm}, \quad 24.9\text{ cm}, \quad 24.7\text{ cm} 24.1 cm,25.3 cm,24.5 cm,24.9 cm,24.7 cm

What is the absolute uncertainty in this set of measurements?

0.3 cm0.3\text{ cm}0.3 cm

1.2 cm1.2\text{ cm}1.2 cm

0.6 cm0.6\text{ cm}0.6 cm

2.4 cm2.4\text{ cm}2.4 cm

Making measurements and analysing data Questions

  1. A Level
  2. /Physics
  3. /Making measurements and analysing data