Question # 1

The numer of significant figureswith the increases accracy of the measuring instrument

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Decreases

Remains unchanged

Increasees

None of these

For 2.450 no. of significant digits.

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2

1

3

4

The numebr of significant figures in 0.809999 is

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2

3

5

6

Errors due to incorrect design of a device are called

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Random Error

Systematic Error

Physical Error

None of these

The number of significant figures with the increases degree of approximation

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Decreases

Increases

Remains unchanged

None of these

The SI unit for measuring plane angle is

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Streadian

Radian

Both a and B

None of these

The Idea that light is electromagnetic waves was indroduced by

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Maxwell Planck

Newton

Fermi

Crooks

Systematic erro occurs due to

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Instrument

Zero erro of the instrument

Botah a and b

None of these

One mile is equal to

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1.625 km

1.609 km

1.325 km

1.850 km

Law of physics expressed in term of

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Base quantites

Derived quantities

a and b

None of these

Teh uncertainty may occur due to

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Limitation of an instrument

Natureal variance of the object

Personal negligence

All of the above

The SI unit of intensity of light is

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Joule

Mole

Candila

Kilomole

Significant figures in 0.000546

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1

4

3

5

Number of seconds in a day is

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9000 sec

3600 sec

86400 sec

43200 sec

The system international SI built up from

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Derived Units

Supplementary units

Basic Units

All of these

Which of the following is a set of supplementary units

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Radian and kilogram

Radian and Steradian

Steradian and time

Mole and radian

The basics quantity among the following is

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Mass

Torque

Force

Velocity

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Physics ICS Part 1 Chapter 1 Online Test MCQs With Answers

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