In an experiment to measure focal length of a concave mirror , the value of focal length in successive observations turns out to be `17.3` cm , 17.8 cm , 18.3 cm , 18.2 cm , 17.9 cm and `18.0` cm . Calculate the mean absolute error and percentage error . Express the result in a proper way .
Text Solution
Verified by Experts
The correct Answer is:
`0.25` cm , `1.4% , (17.9 pm 0.25)` cm
Topper's Solved these Questions
PHYSICAL WORLD AND MEASUREMENTS
SL ARORA|Exercise Based on Combination|21 Videos
PHYSICAL WORLD AND MEASUREMENTS
SL ARORA|Exercise Based on Significant|15 Videos
Physical world
SL ARORA|Exercise Exercise|49 Videos
PROJECTILE MOTION
SL ARORA|Exercise Problem For Self Practice|50 Videos
Similar Questions
Explore conceptually related problems
The focal length of a concave mirror with radius of curvature 12 cm is
Find the focal length of a concave mirror whose radius of carvature is 32 cm.
Radius of curvature of a concave mirror is 25 cm. What is its focal length?
An object is placed 40 cm from a concave mirror of focal length 20 cm. The image formed is
SL ARORA-PHYSICAL WORLD AND MEASUREMENTS-Based on Errors in Measurements
