Quiz Appendix I

 

1. A student measures the acceleration due to gravity and finds it to be 9.72 m/s². What is his percentage error, if the accepted value is 9.81m/s²?

 

 

 

 

 

 

 

 

 

2. You estimate that the maximum possible error of an equal-arm balance is 0.01 g. What is the possible percentage error when you use  this balance to measure each of the following masses?

a) 700g            b) 20g              c) 3 kg             d) 1.0g

 

 

 

 

 

 

 

 

 

 

 

 

3. When measuring the Index of Refraction for water, n= 1.33, a students measurements produce the following results: 1.36; 1.28

a)      Determine the percentage difference for each of the measured values

b)     Determine the percentage error for each value.