Question

1 1 J (Joule) corresponds to:
A:  1.602E-19 eV	B:  6.242E18 eV
C:  6.242E-20 eV	D:  1.602E10 GeV
2 A force acting on an object always changes its:
A:  Total energy	B:  Kinetic energy
C:  Rest energy	D:  Momentum
3 Momentum is a product of:
A:  Rest mass and velocity	B:  Relativistic mass and velocity
C:  Kinetic energy and velocity	D:  Relativistic mass and total energy
4 Relativistic mass as a function of velocity is:
A:  Linearly increasing	B:  Linearly decreasing
C:  Non-linearly increasing	D:  Non-linearly decreasing
5 The Lorentz-factor (g) is a ratio of:
A:  Total energy to rest energy	B:  Total energy to kinetic energy
C:  Kinetic energy to rest energy	D:  Kinetic energy to total energy
6 The value of the Lorentz-factor (g) is always:
A:  Greater than 1	B:  Smaller than 1
C:  Between 0 and 1	D:  Between 1 and 3E8 m/s
7 The value of b-factor is always:
A:  Greater than 1	B:  Between 0 and 1
C:  Smaller than 3E8 m/s	D:  Greater than 3E8 m/s
8 Momentum is related to:
A:  b-factor	B:  g-factor
C:  bg-factor	D:  1/bg-factor
9 The unit “GeV/c” applies to:
A:  Kinetic energy	B:  Relativistic mass
C:  Velocity	D:  Momentum
10 Order the objects according to their size from the largest one to the smallest one!
A:  molecule, atom, proton, quark	B:  atom, proton, quark, molecule
C:  proton, quark, molecule, atom	D:  quark, molecule, atom, proton
11 Which particle does not belong to nucleons?
A:  a proton	B:  a neutron
C:  an electron
12 Order the objects according to their rest mass from the heaviest one to the lightest one!
A:  neutron, proton, electron	B:  proton, neutron, electron
C:  electron, proton, neutron	D:  electron, neutron, proton
13 12 atomic mass units correspond to the:
A:  mass of 1 carbon atom	B:  mass of 1 12C atom
C:  mass of 1 12C nucleus	D: mass of 1 carbon nucleus
16 The relative atomic mass of which element is an integer number?
A:  12C	B:  1H
C:  16O	D:  4He
17 Nuclear forces act between:
A:  Charged nucleons only inside a nucleus	B:  Neutral nucleons only inside a nucleus
C:  Two different nuclei	D:  All nucleons inside a nucleus
18 The binding energy is the energy needed to:
A:  compose a nucleus from individual nucleons	B:  add an additional nucleon into a nucleus
C:  split a nucleus into its individual nucleons	D:  dissociate a nucleon into its quarks
19 The binding energy of the 1H-nucleus is:
A:  1 MeV	B:  0 MeV
C:  938 MeV	D:  931 MeV
20 The binding energy of an a-particle is (assume mass of the a-particle = 4.001506 amu, proton mass = 1.007 276 amu, neutron mass = 1.008665 amu and 1 amu = 931.494028 MeV)
A:  7.074 MeV	B:  28.295 MeV
C:  4.312 MeV	D:  27.501 MeV
21 The products of neutron capture by a 10B nucleus are:
A:  a-particle and 2 neutrons	B:  a-particle and deuteron
C:  a-particle and 7Li	D:  2 electrons and 2 positrons
22 The energy gained at neutron capture by a 10B nucleus is:
A:  1.016 MeV	B:  2.789 MeV
C:  0.003 MeV	D:  11.016 MeV
23 Neutron capture is used in medicine for:
A:  Boron-neutron-capture therapy	B:  Production of radiopharmaceuticals
C:  Magnetic resonance imaging	D:  Neutron capture tomography
24 Heavy stable nuclei have:
A:  More protons than neutrons	B: The same number of protons and neutrons
C:  More neutrons than protons	D:  Two-times more neutrons than protons
25 What particle does a positron annihilate with?
A:  an electron	B:  a photon
C:  a proton	D:  a neutron

Answer 1