Question # 1

Which of the following is similar to electron.

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Beta particle

Alpha particle

Neutron

Proton

Low level radiations effects

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Less of hair

Ulceration

Drop of white blood cells

All

The first atomic reactor was introduced by

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Currie

Enrico Fermi

Newton

Bohr

The charge on Beta particle is

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+e

-e

-2e

None of these

Circulation of blood is studied by radio isotope.

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Cobalt -60

Phosphorus -32

Sodium -24

Iodine -131

GM counter uses

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Alcohol only

Bromine

argon

Neon and bromine

When a nucleus emits alpha particle its atomic mass decreases by

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1

2

3

4

Which of the following basic force is able to provide an attraction between two neutrons:

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Electrostatic and nuclear b

Electrostatic and gravitational

Gravitational and strong nuclear

Only nuclear force

For workers in nuclear facilities is, a weekly does of is normally considered safe

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1.0 msv

5.0 msv

2.0 msv

3.0 msv

Binding energy per nucleus for uranium is above:

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6.7 Mev

7.7 Mev

6.9 MeV

7.9 MeV

Rutherford performed on experiment on a nuclear reaction in:

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1921

1981

1927

1932

Nuclear fission chain reaction is controlled by using.

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Cadmium rods

Iron rods

Platinum rods

Steel rods

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

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Half life

Mean life

Curie

total life

One joule of energy absorbed per kilogram of a body is

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Roentgen

Grey

Rem

Curie

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

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80

79

82

83

Cosmic rays consist of

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Protons

High energy photons

Positron

All of above

By emitting Beta particle and gama particle simultaneously the nucleolus changes in its charges by

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N

N/2

N/4

3N/4

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Physics FSC Part 2 Chapter 21 Online MCQ's Test MCQs With Answers

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