Question # 1

The activity of radioactive sample

Choose an answer

Is constant

Increases with time

Decreases linearly with time

Decreases exponentially with time

The dead time of G.M tube is.

Choose an answer

10^-1 sec

10^-6sec

10^-4sec

10^-8sec

Mass equivalent of 931 MeV energy is:

Choose an answer

6.02 x 10^-23 kg

1.766 x 10^-27kg

2.67 x 10^-29kg

6.02 x 10^-87kg

I amu =

Choose an answer

9.31 MeV

931 MeV

9.031 MeV

None of above

There is no charge in A and Z of any radioactive element by the emission of.

Choose an answer

Alpha particle

Beta particle

Gama particle

X- rays

Subatomic particles are divided into groups.

Choose an answer

Photon

Laptons

Hadrons

All of these

If the following particle have the same energy, which particle has the shortest wave length.

Choose an answer

alpha particle

Neutron

Beta particle

Proton

The reciprocal of decay construct lamda of a radioactive element is.

Choose an answer

Half life

Mean life

Curie

total life

A positron is a particle having.

Choose an answer

Mass equal to electron

Charge equal to electron

Mass equal to mass of electron but charge opposite to charge of electron.

Mass equal to proton

Iodine -131 is used for the treatment by

Choose an answer

Bones

Eyes

thyroid glands

Lungs

One joule of energy absorbed per kilogram of a body is

Choose an answer

Roentgen

Grey

Rem

Curie

How many neutrons are there in the nuclide Zn⁶⁶?

Choose an answer

22

30

36

66

Both xenon and caesium each have:

Choose an answer

41 isotopes

36 isotopes

43 isotopes

33 isotopes

Curie is unit of.

Choose an answer

Conductivity

Binding energy

Radioactivity

Resistivity

What is difference is isotopes

Choose an answer

Number of protons

Number of neutrons

Number of electrons

Charge number

The potential difference between the top and bottom of a cloud chamber is of the order of

Choose an answer

290 v

400 v

1 kv

None of above

The half life of radioactive elements depends upon

Choose an answer

Temperature

Nature of element

Amount of the radioactive substance

Pressure

Which one belongs to lepton's group

Choose an answer

Electron

Muons

Neutrons

All of these

More Classes

Other Links

Physics Fsc Part 2 Chapter 10 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