Question # 1

The definite number of significant figures in 5000 is:

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Four

Three

Two

One

0.0001210 has ____________ significant figures.

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Four

Three

Seven

Eight

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

Distance to nearest galaxy from earth is

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10¹⁰m

10¹⁵m

10⁴⁰m

10³⁰m

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 mechanics

Quantum mechanics

Statics

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

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

The principle characteristics of an ideal standard are

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Inaccessible and Invariable

Accessible and Invariable

Accessible and Variable

None of these

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

dimensions are the same for:

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Work and energy

Force and weight

None of these

Both a and b

Particles have the mass smallest of following is

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Electron

Proton

Neutron

Quark

Diameter of the atom is of the order of

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10^-10m

10^-12m

10^-15m

10^-9m

Significant figures in 0.0010 are:

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Four

Three

Two

One

The error may occur due to:

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Negligence

Faulty apparatus

Inappropriate method

all 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

The quantity have dimension of ML²T⁰²will have SI unit of:

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Watt

Newton

Joule

Metre

The maximum possible error in the reading of an instrument is ______ its least count.

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Half of

Quarter of

Equal to

Double than

Light year is a unit of

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Time

Distance

Velocity

Intensity of light

Which one of the least multiple:

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Pico

Femto

Nano

Atto

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

For addition and subtraction purposes, absolute uncertainties are:

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Added

Subtracted

Multipiled

Divided

Physics details with the study of:

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Matter

Energy

Both of them

Human body

Aerodynamics is a branch of:

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Hydrodynamics

Thermodynamics

Both of them

Statics

Dimension of mass is written as:

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M

[M]

(M)

[m]

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 branch of physics which deals with the properties of fundamental particles is called:

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High energy physics

Molecular physics

Astrophysics

Space physics

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

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