Question # 1

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

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Radio telescope

Microscope

Telescope

Spectro scope

Dimension of mass is written as:

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M

[M]

(M)

[m]

Silicon can be obtained from

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Lead

Uranium

An isotope of oxygen

Sand

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

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Plasma physics

Solid state physics

Any of above

Astro physics

The study of physics involves?

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Structure of space and time

Interaction of electromagnetic radiation with matter

Both of them

Chemical changes

None of them

Particles have the mass smallest of following is

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Electron

Proton

Neutron

Quark

The quantity having dimension of ML²T⁰²will earth is:

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80 sec

500 sec

1.802 X 10⁴sec

Aerophysics

Aerodynamics is a branch of:

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Hydrodynamics

Thermodynamics

Both of them

Statics

Addition of 2.189 kg, 0.089 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

dimensions are the same for:

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Work and energy

Force and weight

None of these

Both a and b

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

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Germanium

Silicon

Copper

Lead

Light year is a unit of:

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Time

Distance

Velocity

Intensity of light

Which quantity has different dimension?

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Tension

Work

Energy

Torque

The information from far side of the universe are gathered by

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Radio telescope

Microscope

Telescope

Spectro scpe

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

For multiplication and division purposes, percentage uncertainties are:

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Add

subtracted

Multiplied

Divided

Significant figures in 0.2020 are:

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Two

Three

Four

Five

The time taken by light to travel from moon to earth is:

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80 sec

500 sec

1.802 X 10⁴sec

Aerophysics

If the absolute uncertainty of an instrument is 0.0a1 cm, then its least count will be :

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0.005 cm

0.01 cm

0.02 cm

0.001 cm

The branch of physics which is mainly concerned with the motion of bodies under the action of forces is called:

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Optics

Mechanics

Thermodynamics

Astro physics

Silicon can be obtained from

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Lead

Uranium

An isotope of oxygen

Sand

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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Work

Pressure

Energy

Torque

In the equation E=mc² value of c is?

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186000 miles per hour

186000 miles per sec

3 X 10⁸m/sec

Both A and C

Both B and C

Branch of physics which deals with the study of stars and galaxies is called:

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Solid state physics

Astrophysics

Molecular physics

Chemical physics

1 gm-cm^-3is equal to

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10³kg-m^-3

10^-3kg-m^-3

1kg-m^-3

10⁶kg-m^-1

1 gm-cm^-3is equal to:

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10³kg-m^-3

10^-3kg-m^-3

1 kg-m^-3

10⁶kg-m^-1

Those quantities which can be measured accurately are known as

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Physical Quantities

Scalar Quantities

Vector Quantities

Non Physical Quantities

Number of supplementary units are

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Three

Two

Seven

Five

Radio telescope is used to gather information from

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Earth

Moon only

Far side of the universe

Sea water

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ECAT Pre General Science Physics Chapter 1 Measurements Online Test MCQs With Answers

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