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NEUTRIO

Total questions: 25

Worksheet time: 7mins

Name
Class
Date
1.

The nucleus of U-238 is unstable, this cause U-238 to spontaneously

a)

Oxidise

b)

Decay

c)

Reduce

d)

Combine

2.

Who is know as Father of nuclear bomb?

a)

Thomas Alva Edison

b)

Benjamin Franklin

c)

J. Robert Oppenheimer

d)

Charles Babbage

3.

one megaton of fission, typical of a two megaton H-bomb, will create enough beta radiation to blackout an area of

a)

400 kilometres

b)

100 kilometres

c)

270 kilometres

d)

350 kilometres

4.

Main element used in little boy atomic bomb is

a)

Mercury

b)

Potassium

c)

Uranium

d)

Flourine

5.

Abbreviated name of Atomic bomb is

a)

Di-Bomb

b)

Z-Bomb

c)

A-Bomb

d)

Bi-Bomb

6.

Which nuclear emission has the most mass and least penetrating power?

a)

Gamma radiation

b)

Alpha particles

c)

Beta particles

d)

Positrons

7.

Which nuclear decay has the greatest penetrating power and the least mass?

a)

Alpha

b)

Positron

c)

Beta

d)

Gamma

8.

Which nuclear decay consists of energy, only?

a)

Positron

b)

Beta

c)

Alpha

d)

Gamma

9.

Which nuclear decay consists of electrons?

a)

Positron

b)

Gamma particles

c)

Alpha particles

d)

Beta particles

10.

Which nuclear decay consists of helium nuclei?

a)

Positron

b)

Alpha particle

c)

Gamma particle

d)

Beta particle

11.

Which list correctly ranks nuclear emissions in order of increasing mass?

a)

Alpha, beta, gamma, positron

b)

Beta,Gamma,Positron, Alpha

c)

Beta, Alpha, Gamma, Positron

d)

Positron, Alpha, Gamma, Beta

12.

Which list correctly organizes nuclear emissions in order of increasing charge?

a)

Beta, Positron, Gamma, Alpha

b)

Positron, Beta, Gamma, Alpha

c)

Beta, Gamma, Positron, Alpha

d)

Alpha, Beta, Gamma, Positron

13.

Without looking at a graph, why is O-16 a stable nuclide?

a)

Because it has a 8:1 ratio of protons to neutrons

b)

Because it has a 1:1 ratio of neutron to proton ration

c)

Because it has a 1.6:1 neutron-to-proton ratio

d)

Because it has a 16:8 proton-to-neutron ratio

14.

What are the materials needed to make an atomic bomb?

a)

Uranium-238 and Plutonium-239

b)

Helium and argon

c)

Hydrogen and calcium

d)

Uranium and potassium

15.

The first test of a fission atomic bomb released an amount of energy approximately

a)

20,000 tons of tnt

b)

15,000 tons of tnt

c)

8000 tons of tnt

d)

1000 tons of tnt

16.

The first thermonuclear bomb testreleased energy approximately equal to

a)

10 million ton of tnt

b)

5 million ton of tnt

c)

2 billion ton of tnt

d)

7 trillion ton of tnt

17.

All existing nuclear weapons derive some of their explosive energy from

a)

Atomic fission

b)

Hydrogen fission

c)

Nuclear fission

d)

carbon fission

18.

Which 6 country have tested thermonuclear weapon test?

a)

Russia,Germany,Iraq,china,Japan,Uk

b)

Us,Russia,Uk,China,France,India

c)

German,Netherlands,Italy,Russia,Israel

d)

Us,India,Taiwan,France,Iraq,Uk

19.

Who demonstrated that mass of an atom is located in the nucleus?

a)

Bohr

b)

Thomson

c)

Rutherford

d)

Geiger-Marsden

20.

Thermonuclear bomb works on the principle of

a)

Fussion

b)

Fission

c)

Emission

d)

All of the above

21.

Which of the following country have nuclear weapons?

a)

Libya

b)

Israel

c)

non of the above

d)

Both a and b

22.

Name the moderator used in the nuclear reactor

a)

Plutonium

b)

Thorium

c)

Beryllium

d)

Graphite

23.

Which isotope of uranium has the capacity to sustain the chain reaction?

a)

U-235

b)

U-230

c)

U-240

d)

U-225

24.

Which of the following atomic particle have the least mass?

a)

Proton

b)

Deutron

c)

Electron

d)

Neutron

25.

In which rays Mesons are found

a)

Beta rays

b)

Gamma rays

c)

Cosmic rays

d)

Laser rays