Second Year Physics Chapter 21 Online MCQ Test for 2nd Year Physics Chapter 21 Nuclear Physics Preparation

FSC Part 2 Physics
Chapter 21 Test

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Physics FSC Part 2 Chapter 21 Online MCQ's Test

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Question # 1

Rutherford performed on experiment on a nuclear reaction in:

Question # 2

Half life of Uranium -239 is

Question # 3

James chadwick discovered:

Question # 4

The energy of photon for photoelectric effect is less than

Question # 5

The radioactive decay obeys the law

Question # 6

Gamma rays from cobalt -60 are used for treatment of.

Question # 7

Hydrogen bomb is an example of.

Question # 8

Circulation of blood is studied by radio isotope.

Question # 9

Which particle has larger range in air.

Question # 10

The first atomic reactor was introduced by

Question # 11

The activity of radioactive sample

Question # 12

The radio active nuclide 86Ra228 decays by a series of emissions of three alpha particles and one beta particle. The nuclide X finally formed is:

Question # 13

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

Question # 14

When a nucleus emits an alpha particle, its atomic mass decreases by

Question # 15

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

Question # 16

The charge of an alpha particle is equal to

Question # 17

Controlling rods inserted into the reactor are of metal:

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 What is difference is isotopes
A. Number of protons
B. Number of neutrons
C. Number of electrons
D. Charge number
2 The potential difference between the top and bottom of a cloud chamber is of the order of
A. 290 v
B. 400 v
C. 1 kv
D. None of above
3 The half life of radioactive elements depends upon
A. Temperature
B. Nature of element
C. Amount of the radioactive substance
D. Pressure
4 The background radiation to which we are exposed, on the average is.
A. 1 mSv per year
B. 2 mSv per year
C. 3 mSv per year
D. 4 mSv per year
5 Alpha particle carries a charge.
A. -e
B. +2e
C. -2e
D. No charge
6 Gamma radiations are emitted due to:
A. De-excitation of atom
B. De-excitation of nucleus
C. Excitation of atom
D. Excitation of nucleus
7 Energy needed to produce an electron hole in solid state detector is.
A. 1 to 2 eV
B. 3 to 4 eV
C. 6 to 7 eV
D. 8 to 9 eV
8 James chadwick discovered:
A. Proton
B. Positron
C. Neutron
D. Electron
9 Which one of the following is not affected by electric or magnetic field.
A. Beta rays
B. Gama ryas
C. Alpha rays
D. Electron
10 In Wilson cloud chamber, ß-particles leave
A. Thin and continuous tracks
B. Thick and continuous tracks
C. No tracks
D. Thin and discontinuous tracks

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  • xtylish khan

    xtylish khan

    16 May 2016

    admin srrrrrrrrrrrrrr ???????????

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