Question # 1

Which one is the least multiple:

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Pico

Femto

Nano

Atto

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

Silicon can be obtained from:

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Lead

Uranium

An isotope of oxygen

Sand

The error may occur due to:

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Negligence

Faulty apparatus

Inappropriate method

all of these

Electron is a particle whose mass is:

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Greater than that of a proton

Smaller than of a proton and greater than mass of neutron

Smaller than that of proton or neutron

Greater than that of an atom

Physical quantities are often divided into ______ categories

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3

2

9

5

Aerodynamics is a branch of:

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Hydrodynamics

Thermodynamics

Both of them

Statics

Those quantities which can be measured accurately are known as

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Physical Quantities

Scalar Quantities

Vector Quantities

Non Physical Quantities

The system international (SI) is built from _______ kind of unites

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Two

Three

Four

Five

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 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

Astrophysics is a branch of physics, which deals with:

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Sub-atomic particles

Stars and galaxies

Light and sound

Music

1 gm-cm^-3is equal to

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10³kg-m^-3

10^-3kg-m^-3

1kg-m^-3

10⁶kg-m^-1

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

In the equation E=mc²value of c is:

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1,86,000 miles per hour

1,86,000 miles per sec

3 X 10⁸m/sec

Both A and C

Both B and C

Uncertainty is of following type/types:

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Absolute

Fractional

Percentage

All of these

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Physics ECAT Pre Engineering Chapter 1 Measurement Online Test MCQs With Answers

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