Question # 1

0.0001210 has ____________ significant figures.

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Four

Three

Seven

Eight

The information from far side of the universe are gathered by:

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Radio telescope

Microscope

Telescope

Spectro scope

Which one of the least multiple:

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Pico

Femto

Nano

Atto

Addition of 2.189 kg, 11.8 kg and 5.32 kg gives the rounded off answer as:

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19.398

19.400

19.4

19.3

Light year is a unit of:

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Time

Distance

Velocity

Intensity of light

Significant figures in 0.0010 are:

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Four

Three

Two

One

Which quantity has different dimensions:

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Work

Pressure

Energy

Torque

Significant figures in 0.2020 are:

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Two

Three

Four

Five

Particles have the mass smallest of following is:

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Electron

Proton

Neutron

Quark

Which quantity has different dimension?

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Tension

Work

Energy

Torque

Density is defined as:

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Mass per volume

Volume per mass

Mass X volume

Mass per length

From sand, we get a material used for construction of computer chips. That material is called:

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Germanium

Silicon

Copper

Lead

Silicon can be obtained from

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Lead

Uranium

An isotope of oxygen

Sand

dimensions are the same for:

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Work and energy

Force and weight

None of these

Both a and b

The principle characteristics of an ideal standard are

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Inaccessible and Invariable

Accessible and Invariable

Accessible and Variable

None of these

1 gm-cm^-3is equal to:

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10³kg-m^-3

10^-3kg-m^-3

1 kg-m^-3

10⁶kg-m^-1

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