Question # 1

Electron is a particle whose mass is:

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Greater than that of a proton

Smaller than that of a proton

Smaller than that of a proton or a neutron

Greater than that of an atom

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

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Radio telescope

Microscope

Telescope

Spectro scpe

Uncertainty is of following type/types:

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Absolute

Fractional

Percentage

All of these

Aerodynamics is a branch of

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Hydrodynamics

Thermodynamics

Both of them

Statics

The maximum possible error in the reading for a meter rod with least count 1 mm is:

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0.005 mm

0.05mm

0.5mm

5.0mm

The branch of physics which deals with the structure and properties of solids is called:

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Plasma physics

Solid state physics

Any of above

Astrophysics

Which of the following are the units of intensity of light

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Pois

Lux

Siemen

Candela

Radio telescope is used to gather information from

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Earth

Moon only

Far side of the universe

Sea water

Particles have the mass smallest of following is:

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Electron

Proton

Neutron

Quark

The error may occur due to:

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Negligence

Faulty apparatus

Inappropriate method

all of these

Significant figures in 0.0010 are:

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Four

Three

Two

One

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

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Germanium

Silicon

Copper

Lead

The instrument used to gather information form the far side of the universe is

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Compound microscope

Radio telescope

Astronomical Telescope

Simple microscope

Diameter of the atom is of the order of

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10^-10m

10^-12m

10^-15m

10^-9m

Light year is a unit of

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Time

Distance

Velocity

Intensity of light

Silicon can be obtained from

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Lead

Uranium

An isotope of oxygen

Sand

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Other Links

ECAT Physics Chapter 1 Measurements Online Test MCQs With Answers

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