Question 1

Complete the following induced reaction 73Li + 11H $\rightarrow $ 42He + ?

Accepted Answer

A)  42He 
B)  31H 
C)  84B 
D)  63Li 
A)  42He 
B)  31H 
C)  84B 
D)  63Li A

Question 2

The fusion reaction 2H + 3H $\rarr$4He + 1n releases 17.6 MeV of energy.The mass of 2H is 2.01410 u,the mass of 4He is 4.00260 u,and the mass of 1n is 1.00866 u.What is the mass of 3H?

Accepted Answer

A)  2.99716 u 
B)  3.01605 u 
C)  3.03494 u 
D)  3.04221 u 
E)  2.99982 u 
A)  2.99716 u 
B)  3.01605 u 
C)  3.03494 u 
D)  3.04221 u 
E)  2.99982 u B

Question 3

Fusion employs the lightest nuclei because

Accepted Answer

A)  fusion produces a nucleus whose binding energy per nucleon is smaller than that of the two parent nuclei. 
B)  they are more plentifully available. 
C)  they are easier to completely ionize and thus cause their nuclei to coalesce. 
D)  fusion produces a nucleus whose binding energy per nucleon is larger than that of the two parent nuclei. 
A)  fusion produces a nucleus whose binding energy per nucleon is smaller than that of the two parent nuclei. 
B)  they are more plentifully available. 
C)  they are easier to completely ionize and thus cause their nuclei to coalesce. 
D)  fusion produces a nucleus whose binding energy per nucleon is larger than that of the two parent nuclei. D

Question 4

When 241Am decays by emitting an alpha particle of kinetic energy 5.49 MeV,what is the recoil energy of the daughter nucleus?

Accepted Answer

A)  5.49 MeV 
B)  1.27 MeV 
C)  0.880 MeV 
D)  0.0930 MeV 
E)  0.0910 MeV 
A)  5.49 MeV 
B)  1.27 MeV 
C)  0.880 MeV 
D)  0.0930 MeV 
E)  0.0910 MeV

Question 5

What is the binding energy of an alpha particle?

Accepted Answer

A)  2.20 MeV 
B)  50.0 MeV 
C)  28.29 MeV 
D)  21.22 MeV 
A)  2.20 MeV 
B)  50.0 MeV 
C)  28.29 MeV 
D)  21.22 MeV

Question 6

What is the volume of the 23892U nucleus?

Accepted Answer

A)  6.7 $\times$ 10-43 m3 
B)  5.2  $\times$ 10-42 m3 
C)  1.7  $\times$ 10-42 m3 
D)  1.6 $\times$ 10-42 m3 
E)  1.2 $\times$ 10-12 m3 
A)  6.7 $\times$ 10-43 m3 
B)  5.2  $\times$ 10-42 m3 
C)  1.7  $\times$ 10-42 m3 
D)  1.6 $\times$ 10-42 m3 
E)  1.2 $\times$ 10-12 m3

Question 7

16O,17O,and 18O are ________ of oxygen.

Accepted Answer

A)  isotones 
B)  isotopes 
C)  isobars 
D)  isomers 
E)  isotherms 
A)  isotones 
B)  isotopes 
C)  isobars 
D)  isomers 
E)  isotherms

Question 8

The types of radiation from nuclei were originally named alpha,beta,and gamma rays.In order of increasing ability to penetrate matter,these are

Accepted Answer

A)  alpha,beta,gamma. 
B)  beta,gamma,alpha. 
C)  gamma,alpha,beta. 
D)  alpha,gamma,beta. 
E)  gamma,beta,alpha. 
A)  alpha,beta,gamma. 
B)  beta,gamma,alpha. 
C)  gamma,alpha,beta. 
D)  alpha,gamma,beta. 
E)  gamma,beta,alpha.

Question 9

When radioactive decays are counted,the resulting counts vary because of their statistical nature although the experimental situation may be the same.If 106 counts are registered,the next measurement of an equivalent situation may be expected to typically vary by about how many counts?

Accepted Answer

A)  1 
B)  100 
C)  1000 
D)  10,000 
E)  100,000 
A)  1 
B)  100 
C)  1000 
D)  10,000 
E)  100,000

Question 10

What is the density of the 238U nucleus?

Accepted Answer

A)  2.3 $\times$ 1017 kg/m3 
B)  9.6 $\times$ 1014 kg/m3 
C)  3.2 $\times$ 1014 kg/m3 
D)  2.38 $\times$ 105 kg/m3 
E)  1.0 $\times$ 103 kg/m3 
A)  2.3 $\times$ 1017 kg/m3 
B)  9.6 $\times$ 1014 kg/m3 
C)  3.2 $\times$ 1014 kg/m3 
D)  2.38 $\times$ 105 kg/m3 
E)  1.0 $\times$ 103 kg/m3

Question 11

Who was the discoverer of radioactivity?

Accepted Answer

A)  Neils Bohr 
B)  Marie Curie 
C)  Albert Einstein 
D)  Henri Becquerel 
E)  Richard Feynman 
A)  Neils Bohr 
B)  Marie Curie 
C)  Albert Einstein 
D)  Henri Becquerel 
E)  Richard Feynman

Question 12

The tokamak is a device designed to produce

Accepted Answer

A)  tritium. 
B)  lithium hydride pellets. 
C)  the carbon cycle. 
D)  controlled fission. 
E)  controlled fusion. 
A)  tritium. 
B)  lithium hydride pellets. 
C)  the carbon cycle. 
D)  controlled fission. 
E)  controlled fusion.

Question 13

How many neutrons are in a 15C nucleus?

Accepted Answer

A)  7 
B)  8 
C)  6 
D)  9 
A)  7 
B)  8 
C)  6 
D)  9

Question 14

It is common to illustrate the density of nuclear matter be discussing the mass of a teaspoon of nuclear material.What do nuclear densities imply for the mass of a teaspoon (5 cm3)of nuclear material? You may wish to use the relationship r = (1.2 fm)A1/3 together with the mass of a proton,1.67 $\times$ 10-27 kg,to estimate.

Accepted Answer

A)  3.8 $\times$ 1011 kg 
B)  9.6 $\times$ 1011 kg 
C)  1.53 $\times$ 1012 kg 
D)  1.15 $\times$ 1012 kg 
A)  3.8 $\times$ 1011 kg 
B)  9.6 $\times$ 1011 kg 
C)  1.53 $\times$ 1012 kg 
D)  1.15 $\times$ 1012 kg

Question 15

What is the radius of a nuclide with mass number 187?

Accepted Answer

A)  187 fm 
B)  5.70 fm 
C)  6.90 fm 
D)  4.80 fm 
E)  0.187 fm 
A)  187 fm 
B)  5.70 fm 
C)  6.90 fm 
D)  4.80 fm 
E)  0.187 fm

Question 16

The particles in the nucleus referred to as nucleons are

Accepted Answer

A)  electrons and protons. 
B)  protons and neutrons. 
C)  neutrons and electrons. 
D)  electrons and photons. 
A)  electrons and protons. 
B)  protons and neutrons. 
C)  neutrons and electrons. 
D)  electrons and photons.

Question 17

How many neutrons are in a 35Cl nucleus?

Accepted Answer

A)  17 
B)  18 
C)  16 
D)  19 
A)  17 
B)  18 
C)  16 
D)  19

Question 18

In radiation dosage,the factor that accounts for the measure of biological damage caused by different kinds of radiation is the

Accepted Answer

A)  gray. 
B)  rad. 
C)  curie. 
D)  quality factor. 
E)  activity. 
A)  gray. 
B)  rad. 
C)  curie. 
D)  quality factor. 
E)  activity.

Question 19

In the fission reaction n + 23592U $\rarr$ 14156Ba + ? + 4n, what are the Z and A for the unknown fission product?

Accepted Answer

A)  37, 90 
B)  35, 94 
C)  36, 90 
D)  37, 91 
E)  36, 91 
A)  37, 90 
B)  35, 94 
C)  36, 90 
D)  37, 91 
E)  36, 91

Question 20

What is the mass defect of an alpha particle?

Accepted Answer

A)  0.03037$\mu$ 
B)  0.30370$\mu$ 
C)  0.03528$\mu$ 
D)  0.03941$\mu$ 
A)  0.03037$\mu$ 
B)  0.30370$\mu$ 
C)  0.03528$\mu$ 
D)  0.03941$\mu$

Exam 29: Nuclear Physics

Complete the following induced reaction 73Li + 11H →\rightarrow → 42He + ?

The fusion reaction 2H + 3H →\rarr→ 4He + 1n releases 17.6 MeV of energy.The mass of 2H is 2.01410 u,the mass of 4He is 4.00260 u,and the mass of 1n is 1.00866 u.What is the mass of 3H?

Fusion employs the lightest nuclei because

When 241Am decays by emitting an alpha particle of kinetic energy 5.49 MeV,what is the recoil energy of the daughter nucleus?

What is the binding energy of an alpha particle?

What is the volume of the 23892U nucleus?

16O,17O,and 18O are ________ of oxygen.

The types of radiation from nuclei were originally named alpha,beta,and gamma rays.In order of increasing ability to penetrate matter,these are

When radioactive decays are counted,the resulting counts vary because of their statistical nature although the experimental situation may be the same.If 106 counts are registered,the next measurement of an equivalent situation may be expected to typically vary by about how many counts?

What is the density of the 238U nucleus?

Who was the discoverer of radioactivity?

The tokamak is a device designed to produce

How many neutrons are in a 15C nucleus?

What is the radius of a nuclide with mass number 187?

The particles in the nucleus referred to as nucleons are

How many neutrons are in a 35Cl nucleus?

In radiation dosage,the factor that accounts for the measure of biological damage caused by different kinds of radiation is the

In the fission reaction n + 23592U →\rarr→ 14156Ba + ? + 4n, what are the Z and A for the unknown fission product?

What is the mass defect of an alpha particle?

Introduction

Force

Acceleration and Newtons Second Law of Motion

Motion With Constant Acceleration

Circular Motion

Conservation of Energy

Linear Momentum

Torque and Angular Momentum

Fluids

Elasticity and Oscillations

Waves

Sound

Temperature and the Ideal Gas

Heat

Thermodynamics

Electric Forces and Fields

Electric Potential

Electric Current and Circuits

Magnetic Forces and Fields

Electromagnetic Induction

Alternating Current

Electromagnetic Waves

Reflection and Refraction of Light

Optical Instruments

Interference and Diffraction

Relativity

Early Quantum Physics and the Photon

Quantum Physics

Particle Physics

Filters

Complete the following induced reaction ⁷₃Li + ¹₁H $\rightarrow$ ⁴₂He + ?

The fusion reaction ²H + ³H $\rarr$ ⁴He + ¹n releases 17.6 MeV of energy.The mass of ²H is 2.01410 u,the mass of ⁴He is 4.00260 u,and the mass of ¹n is 1.00866 u.What is the mass of ³H?

When ²⁴¹Am decays by emitting an alpha particle of kinetic energy 5.49 MeV,what is the recoil energy of the daughter nucleus?

What is the volume of the ²³⁸₉₂U nucleus?

¹⁶O,¹⁷O,and ¹⁸O are ________ of oxygen.

When radioactive decays are counted,the resulting counts vary because of their statistical nature although the experimental situation may be the same.If 10⁶ counts are registered,the next measurement of an equivalent situation may be expected to typically vary by about how many counts?

What is the density of the ²³⁸U nucleus?

How many neutrons are in a ¹⁵C nucleus?

How many neutrons are in a ³⁵Cl nucleus?

In the fission reaction n + ²³⁵₉₂U $\rarr$ ¹⁴¹₅₆Ba + ? + 4n, what are the Z and A for the unknown fission product?