NPP1

Question 1

optical microscope resolution

Answer 1

100nm

Question 2

electron microscope resolution

Answer 2

100pm

Question 3

increase momentum for ___ resolution

Answer 3

smaller

Question 4

non-relativistic limit ___ for velocities close to c

Answer 4

breaks down

Question 5

energy and 3 momenta (and so total 4 momenta) are ___

Answer 5

conserved

Question 6

intrinsic parity can be set to ___ for a particle (not for antiparticle)

Answer 6

(-1)^0

Question 7

composite states have parity equal to

Answer 7

the product of their individual parities

Question 8

electromagnetism and strong interactions ___ parity

Answer 8

conserve

Question 9

more projectile particles/more tightly packed/faster results in

Answer 9

more scattering events

Question 10

___ boundary conditions for wavefunction at edge of box

Answer 10

periodic

Question 11

flux is ___ of area

Answer 11

independent

Question 12

dtheta is finite so ___ errors

Answer 12

systematic

Question 13

probabilistic nature of QM gives ___ errors

Answer 13

statistical

Question 14

spin along direction of motion is a ___ quantum number

Answer 14

conserved

Question 15

angular momentum is ___ and there is no transfer of ___ with Coulomb’s potential

Answer 15

conserved/angular momentum

Question 16

can’t have ___ helicity bouncing straight back

Answer 16

relativistic particle

Question 17

form factor depends on ___ through ___ q

Answer 17

scattering angle/transferred momentum

Question 18

to resolve distances of size d we should use particles with momentum of at least ___ in NU

Answer 18

1/d

Question 19

when we increase projectile’s momentum, a diffraction-like pattern will appear in our distribution in ___

Answer 19

scattering angle

Question 20

effect of finite size target is encoded in ___ in our cross section

Answer 20

form factor

Question 21

strong force so strong that perturbative methods have poor ___

Answer 21

convergence

Question 22

the strong force is:
___ than EM - overcomes electrostatic ___
___ range
___ and cannot tell protons and neutrons apart

Answer 22

stronger/repulsion/short/attractive

Question 23

to dismantle a nucleus we have to put in this amount of energy

Answer 23

binding energy

Question 24

energy corresponds to ___ difference (mass defect)

Answer 24

mass

Question 25

decays per unit time

Answer 25

activity

Question 26

neutron will decay if

Answer 26

left alone outside of nucleus (mediated by weak interactions)

Question 27

(beta -) mass difference between parent and daughter nuclei needs to be large enough to afford creation of ___ and ___

Answer 27

electron/neutrino

Question 28

(beta -) nucleus resulting from proton changing to neutron is ___ - triggered by reduction in ___ energy and new neutron might take ___ energy state

Answer 28

less massive/Coulomb/lower

Question 29

(beta +) mass difference large enough to buy mass of ___

Answer 29

positron

Question 30

(e- capture) need overlap between ___ wavefunction and ___

Answer 30

electron/nucleus

Question 31

(e- capture) more likely for s-shell electron since ___ and for larger nuclei since ___

Answer 31

radial; wavefunction is not zero at the origin/higher charge means wavefunction concentrated closer to nucleus

Question 32

A-changing decays occur often for ___ for which ___ per nucleon is smaller for larger mass number

Answer 32

heavy nuclei/binding energy

Question 33

(tunnelling) surface energy ___ and at finite distance this is overcome by ___ whose force pushes same-charge daughter nuclei apart

Answer 33

dominates/electromagnetic interaction

Question 34

probability of fission ___ with Z and is more likely for ___ nuclides

Answer 34

increases/heavy

Question 35

fission is induced by exposing nuclides to a ___. If atom absorbs ___ it will acquire kinetic and ___ energy to bring nucleus over fission barrier

Answer 35

flux of neutrons/neutron/binding

Question 36

excited states correspond to ___ tightly bound combinations of its constituents

Answer 36

less

Question 37

protons and neutrons fill their own set of states since they are ___

Answer 37

fermions

Question 38

whenever there are 2 protons or neutrons in the same state they pair up to give zero net ___

Answer 38

angular momentum

Question 39

parity and total angular momentum is given by the ___ neutron or proton or their combination

Answer 39

unpaired

Question 40

for every nucleon we can find another with the same ___

Answer 40

parity

Question 41

___ map into each other swapping the protons with neutrons

Answer 41

mirror nuclei