Question # 1

The definite number of significant figures in 5000 is:

Choose an answer

Four

Three

Two

One

Electron is a particle whose mass is:

Choose an answer

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

Significant figures in 0.0010 are:

Choose an answer

Four

Three

Two

One

Significant figures in 0.2020 are:

Choose an answer

Two

Three

Four

Five

Silicon can be obtained from

Choose an answer

Lead

Uranium

An isotope of oxygen

Sand

Light year is a unit of:

Choose an answer

Time

Distance

Velocity

Intensity of light

1 gm-cm^-3is equal to:

Choose an answer

10³kg-m^-3

10^-3kg-m^-3

1 kg-m^-3

10⁶kg-m^-1

dimensions are the same for:

Choose an answer

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:

Choose an answer

Germanium

Silicon

Copper

Lead

The principle characteristics of an ideal standard are

Choose an answer

Inaccessible and Invariable

Accessible and Invariable

Accessible and Variable

None of these

1 gm-cm^-3is equal to:

Choose an answer

10³kg-m^-3

10^-3kg-m^-3

1 kg-m^-3

10⁶kg-m^-1

Diameter of the nucleus s of the order of

Choose an answer

10^-10m

10^-12m

10^-15m

10^-18m

Particles have the mass smallest of following is:

Choose an answer

Electron

Proton

Neutron

Quark

The instrument used to gather information form the far side of the universe is

Choose an answer

Compound microscope

Radio telescope

Astronomical Telescope

Simple microscope

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

Choose an answer

Two

Three

Four

Five

At the present time, the main frontiers of fundamental science are

Choose an answer

2

3

4

5

Significant figures in 0.0010 are

Choose an answer

Four

Three

Two

One

Uncertainty is of following type/types:

Choose an answer

Absolute

Fractional

Percentage

All of these

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

Choose an answer

Optics

Mechanics

Thermodynamics

Astrophysics

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

Choose an answer

Half of

Quarter of

Equal to

Double than

0.0001210 has ____________ significant figures.

Choose an answer

Four

Three

Seven

Eight

The study of physics involves?

Choose an answer

Structure of space and time

Interaction of electromagnetic radiation with matter

Both of them

Chemical changes

None of them

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

Choose an answer

Relativistic mechanics

Wave mechanics

Quantum mechanics

Statics

Radio telescope is used to gather information from

Choose an answer

Earth

Moon only

Far side of the universe

Sea water

Particles have the mass smallest of following is

Choose an answer

Electron

Proton

Neutron

Quark

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

Choose an answer

Stars and galaxies

Sub-atomic particles

Light and sound

Molecules

Density is defined as:

Choose an answer

Mass per volume

Volume per mass

Mass x volume

Mass per length

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

Choose an answer

Radio telescope

Microscope

Telescope

Spectro scope

Aerodynamics is a branch of:

Choose an answer

Hydrodynamics

Thermodynamics

Both of them

Statics

More Classes

Other Links

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

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer