Question # 1

When a nucleus emits alpha particle its atomic mass decreases by

Choose an answer

1

2

3

4

Nuclear fission was discovered by:

Choose an answer

Otto Hahn

Friz strassmann

Both a and b

Michaelson

Cobalt -60 is the source for

Choose an answer

Alpha rays

Gama rays

Beta rays

Neutron

Nuclear fission chain reaction is controlled by using.

Choose an answer

Cadmium rods

Iron rods

Platinum rods

Steel rods

How many times, the alpha particle is more massive than electrons.

Choose an answer

6332

7332

8332

9332

I amu =

Choose an answer

9.31 MeV

931 MeV

9.031 MeV

None of above

How many neutrons are there in the nuclide Zn⁶⁶?

Choose an answer

22

30

36

66

Rutherford performed on experiment on a nuclear reaction in:

Choose an answer

1921

1981

1927

1932

In Wilson cloud chamber, ß-particles leave

Choose an answer

Thin and continuous tracks

Thick and continuous tracks

No tracks

Thin and discontinuous tracks

Which particle has larger range in air.

Choose an answer

Alpha rays

Gama rays

Beta rays

Neutron

Those elements whose charge number z is greater then __________ are unstable:

Choose an answer

80

79

82

83

A particles equal or greater in mass than of protons are called.

Choose an answer

Baryons

Leptons

Mesons

Quarks

In Wilson cloud chamber, if tracks are thick, straight and continuous, then particle is

Choose an answer

a-particles

ß-particles

Y-rays

All

The activity of radioactive sample

Choose an answer

Is constant

Increases with time

Decreases linearly with time

Decreases exponentially with time

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

Half life of Uranium -239 is

Choose an answer

26.5 minutes

24.5 minutes

25.5 minutes

23.5 minutes

One joule of energy absorbed per kilogram of a body is

Choose an answer

Roentgen

Grey

Rem

Curie

Hydrogen bomb is an example of.

Choose an answer

Nuclear fission

Nuclear fusion

Chain reaction

Chemical reaction

Absorbed Dose 'D' is defined as

Choose an answer

m/E

E/C

C/m

E/m

The charge on Beta particle is

Choose an answer

+e

-e

-2e

None of these

The charge of an alpha particle is equal to

Choose an answer

-e

+e

-2e

2e

A radio active substance has a half life of four months. 3 -fourth of the substance will decay in:

Choose an answer

6 months

8 months

12 months

16 months

More Classes

Other Links

Ics Part 2 Physics Chapter 10 Test Online 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