Question # 1

The principle characteristics of an ideal standard are

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Inaccessible and Invariable

Accessible and Invariable

Accessible and Variable

None of these

Examples of physical quantities are:

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Length

Color

Effect of music

All of these

The quantity having dimension of ML²T⁰²will earth is:

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80 sec

500 sec

1.802 X 10⁴sec

Aerophysics

Which one is the least multiple

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Pico

Femto

Nano

Atto

From sand, we get a material used for construction with the motion of bodies under the action of forces is called:

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Optics

Mechanics

Thermodynamics

Astrophysics

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

Which quantity has different dimension:

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Work

Pressure

Energy

Torque

Dimension of mass is written as:

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M

[M]

(M)

[m]

1 gm-cm^-3is equal to

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10³kg-m^-3

10^-3kg-m^-3

1kg-m^-3

10⁶kg-m^-1

The mechanics, which deals with the objects moving with velocities approaching that of light is called:

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Relativistic mechanics

Wave mechanic

Quantum mechanics

Statics

Significant figures in 0.0010 are

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Four

Three

Two

One

Physics details with the study of:

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Matter

Energy

Both of them

Human body

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

For addition and subtraction purposes, absolute uncertainties are:

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Added

Subtracted

Multipiled

Divided

Significant figures in 0.0010 are:

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Four

Three

Two

One

Particles have the mass smallest of following is:

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Electron

Proton

Neutron

Quark

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

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

The information from far side of the universe are gathered by

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Radio telescope

Microscope

Telescope

Spectro scpe

Significant figures in 0.2020 are:

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Two

Three

Four

Five

Density is defined as:

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Mass per volume

Volume per mass

Mass x volume

Mass per length

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

Significant figures in 0.0010 are:

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Four

Three

Two

One

For multiplication and division purposes, percentage uncertainties are:

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Add

subtracted

Multiplied

Divided

The machines which deals with the objects moving with velocities approaching that of light is called:

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Relativistic mechanics

Wave mechanics

Quantum

Statics mechanics

The error may occur due to:

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Negligence

Faulty apparatus

Inappropriate method

all of these

High energy physics is branch of physics, which deals with:

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Stars and galaxies

Sub-atomic particles

Light and sound

Molecules

Silicon can be obtained from

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Lead

Uranium

An isotope of oxygen

Sand

Aerodynamics is a branch of

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Hydrodynamics

Thermodynamics

Both of them

Statics

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