Physics Measurement

Front

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

Back

accuracy

Front

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

Back

precision

Front

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

Back

Front

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

Back

Front

Which equation represents error in measurement? Options:

Error = Measured Value - True Value

,

Error = 1 - True Value

,

Error = True Value + Measured Value

,

Error = 1 - Measured Value

Back

Error = Measured Value - True Value

Front

The imperfection in experimental technique or procedure is an example of .....

Back

Systematic error

Front

The micrometer screw gauge shows a reading of .... Options: 3.31 cm, 3.81 cm, 3.31 mm, 3.81 mm

Back

3.81 mm

Front

The vernier calliper shows the reading of...
Options: 3.5 mm, 3.6 mm, 3.1 mm, 4.6 mm

Back

3.6 mm

Front

Which of the following is NOT associated to micrometer screw gauge?

• two scales: main scale and circular scale
• one complete turn moves the spindle by 0.1 mm
• each division on the circular scale = 0.01 mm
• modern micrometers have a ratchet

Back

one complete turn moves the spindle by 0.1 mm