2nd Year Physics Chapter 21 Online MCQ Test for 12th Class Physics Chapter 21 (Nuclear Physics)

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Physics ICS Part 2 Chapter 21 Online MCQ's Test

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Question # 1

Binding energy for deuteron nucleus is given by

Question # 2

The mass spectrum of naturally occurring neon, showing

Question # 3

Two up quarks and one down quarks makes a

Question # 4

The mass of beta particle is equal to mass of.

Question # 5

Which of the following are not hadrons.

Question # 6

Bottom quark carries charge :

Question # 7

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

Question # 8

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

Question # 9

The dead time of G.M tube is.

Question # 10

The number of Isotopes of cesium are.

Question # 11

X -rays are similar in nature to.

Question # 12

The most abundant isotope of neon is:

Question # 13

The particles which do not experience strong force are called.

Question # 14

Rutherford performed on experiment on a nuclear reaction in:

Question # 15

Absorbed Dose 'D' is defined as

Question # 16

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

Question # 17

How many neutrons are there in the nuclide Zn66?

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Sr.# Question Answer
1 The SI unit of decay constant is
A. m
B. m-1
C. S-1
D. Nm-1
2 The mass spectrum of naturally occurring neon, showing
A. 1 isotope
B. 2 isotope
C. 3 isotope
D. 4 isotope
3 A radio active substance has a half life of four months. 3 -fourth of the substance will decay in:
A. 6 months
B. 8 months
C. 12 months
D. 16 months
4 A particles equal or greater in mass than of protons are called.
A. Baryons
B. Leptons
C. Mesons
D. Quarks
5 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
6 Two down and one up quarks make
A. Proton
B. Neutron
C. photon
D. Positron
7 What is difference is isotopes
A. Number of protons
B. Number of neutrons
C. Number of electrons
D. Charge number
8 The energy of photon for photoelectric effect is less than
A. 1 MeV
B. 2 MeV
C. 5 MeV
D. 8 MeV
9 If the following particle have the same energy, which particle has the shortest wave length.
A. alpha particle
B. Neutron
C. Beta particle
D. Proton
10 The amount of energy equivalent to 1 a.m.u is
A. 931.5 MeV
B. 93.15 MeV
C. 9.315 MeV
D. 2.224 MeV

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