Errors in Measurement NEET Questions

Physics - Physics and Measurement

Errors in Measurement MCQ Questions


1.
What is the SI unit of absolute error?
A.
Meter
B.
Second
C.
Same as the measured quantity
D.
Unitless
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ANSWER :
C. Same as the measured quantity
2.
If a measurement has small absolute error, it means it is:
A.
Less accurate
B.
More accurate
C.
Less precise
D.
Not useful
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ANSWER :
B. More accurate
3.
The errors in measurement that arise due to unpredictable fluctuations in temperature and voltage supply are known as:

NEET - 2023

A.
Personal errors
B.
Least count errors
C.
Random errors
D.
Instrumental errors
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ANSWER :
C. Random errors
4.
The percentage error in measuring 5.00 m with an absolute error of 0.02 m is:
A.
0.20%
B.
0.40%
C.
0.50%
D.
1%
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ANSWER :
B. 0.40%
5.
Which type of error remains constant in repeated measurements?
A.
Random error
B.
Gross error
C.
Systematic error
D.
Instrumental error
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ANSWER :
C. Systematic error
6.
The mean value of 100 observations was found to be 50. Later, it was discovered that an observation 83 was misread as 38. The correct mean is:

NEET - 2017

A.
50.5
B.
50.45
C.
50.55
D.
50
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ANSWER :
B. 50.45