Category: Measurements

Prefix deca represents_______________?

Hamad Measurements 29/12/2021

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A. 10 Raised to power 1
B. 10 Raised to power 2
C. 10 Raised to power 3
D. 10 Raised to power -1

Which equation is not dimensionally correct ?

Hamad Measurements 06/11/2021

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A. E=mc2
B. Vf=Vi+at
C. S=Vt2
D. S=1/2at2

Number of significant figures in 0.0173 is_________________?

Hamad Measurements 09/08/2021

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A. 3
B. 4
C. 5
D. 2

A digit zero in a measurement__________________?

Hamad Measurements 06/08/2021

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A. May be significant may not significant
B. Always significant
C. Always insignificant sign
D. Significant only if left to a significant figure

How many types of units are in SI ?

Hamad Measurements 15/07/2021

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A. 1
B. 2
C. 3
D. 4

Zero error of the instrument is a type of_________________?

Hamad Measurements 08/07/2021

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A. Random error
B. Personal error
C. Systematic error
D. Classified error

Unit of G is ______________?

Hamad Measurements 14/05/2021

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A. Nm2Kg2
B. Nm2Kg
C. Nm2Kg-2
D. None

Three students measured the length of a needle with meter rod and recorded as : (i) 0.2145m (ii) 0.21m (iii) 0.214m Which one is a correct record ?

Hamad Measurements 24/04/2021

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A. Only (i)
B. Only (ii)
C. Only (iii)
D. Both (i) and (ii)

Absolute uncertainty in a measurement depends upon______________?

Hamad Measurements 16/04/2021

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A. The magnitude of the measurement
B. Least count of the instrument
C. Percentage error in the measurement
D. All of a, b and C

Smaller the least count of the instrument more is the measurement________________?

Hamad Measurements 10/04/2021

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A. Accurate
B. Precise
C. Accurate and precise
D. None of these