Question # 1

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

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

Light year is a unit of:

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Time

Distance

Velocity

Intensity of light

Density is defined as:

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Mass per volume

Volume per mass

Mass X volume

Mass per length

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

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Germanium

Silicon

Copper

Lead

Astrophysics is a branch of physics, which deals with:

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Sub-atomic particles

Stars and galaxies

Light and sound

Music

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

Astrophysics is a branch of physics, which deals with:

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Sub-atomic particles

Stars and galaxies

Light and sound

Music

The definite number of significant figures in 5000 is:

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Four

Three

Two

One

Diameter of the atom is of the order of

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10^-10m

10^-12m

10^-15m

10^-9m

Those quantities which can be measured accurately are known as

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Physical Quantities

Scalar Quantities

Vector Quantities

Non Physical Quantities

The error may occur due to:

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Negligence

Faulty apparatus

Inappropriate method

all of these

Light year is a unit of:

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Time

Distance

Velocity

Intensity of light

The quantity have dimension of ML²T⁰²will have SI unit of:

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Watt

Newton

Joule

Metre

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

Particles have the mass smallest of following is:

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Electron

Proton

Neutron

Quark

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ECAT Physics Chapter 1 Measurements Online Test MCQs With Answers

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