# Measurements Mcqs

Our collections of Multiple choice questions and answers focuses on study of Measurements in Physics. These questions are chosen from a collection of most authoritative and best reference books on Physics. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, MDCAT, Teaching jobs Tests and Chemical industry job interviews. One should practice our Mcqs to assimilate knowledge on Measurements in Physics comprehensively.

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## 1. 1024 can be written in scientific notation as

1.024x103

2 Raised to power 10

0.000976

1/0.00097

## 2. A digit zero in a measurement

May be significant may not significant

Always significant

Always insignificantsig

Significant only if left to a significant figure

## 3. Absolute uncertainty in a measurement depends upon

Magnitude of the measurement

Least count of the instrument

Percentage error in the measurement

All of a, b and c

## 4. An ideal standard of measurement of a base quantity has characteristics

Accessible

Invariable

Transportable

Only a and b are correct

## 5. Dimensional analysis is helpful for

Deriving a possible formula

Checking the homogeneity of a physical equation

Verification of laws

Only a and b are correct

1

2

3

4

One

Two

Three

Four

## 8. In any measurement the significant figures are

All accurately known and all doubtful digits

Only accurately known digits

Only doubtful digits

All accurately known digits and the first doubuful digit

## 9. In multiplication and division of measurement

Percentage uncertainties are divided

Absolute uncertainties are divided

Power of ten

Powers of two

Reciprocal

Decimal

Force

Pressure

Momentum

Energy

Three

Four

Five

Two

9.5x1015m

9.5x1015sec

9.5x1015Km

9.5x1015cm

## 14. One pico stands for

10 raised to power -15

10 raised to power -12

10 raised to power -9

10 raised to power -6

## 15. Preftix deca represents

10 Raised to power 1

10 Raised to power 2

10 Raised to power 3

10 Raised to power -1

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