IB Physics 1 Quiz 1

How many no. of significant figures are there in 0.000450

• 7

• 2

• 3

• 6

How many significant figures are there in

 $2.10\ \times10^3$  

• 2

• 3

• 4

• 5

Error occur due to faulty apparatus is called:

• Personal error

• Systematic error

• Random error

• None of these

If the reading is taken by a measuring scale whose minimum division is 1mm, then which one is the correct reading?

• 1.1 m

• 2.01 m

• 5.001 m

• 3.0001 m

Absolute uncertainty is added in the following operation

• Multiplication

• division

• Subtraction

• All of above

If

 $3.05\pm0.01\ \$  is subtacted by  $5.015\ \pm\ 0.005$ , Then the result is: 

•  $8.065\pm0.005$  

•  $1.965\pm0.015$  

•  $1.9\pm0.01$  

•  $1.5\pm0.05$  

How CLOSE a measurement or attempt is to the actual value is the definition of ..............

• systematic

• precision

• accuracy

• sensitivity

How CONSISTENT our results are regardless of proximity to the actual value is the definition of .......

• accuracy

• target value

• uncertainty

• precision

Which of the following shows an accurate but not precise data

• 
• 
• 
• 

Which of the following shows a precise but not accurate data?

• 
• 
• 
•