CANSU - SYMMETRIES AND CONSERVATION LAWS (SUNUM VE SORULAR)
cansu taşkın
1) 1) INVARIANCE UNDER CONSERVED QUANTITY
1- Space translation ↔ momentum
2- Rotations ↔ energy
3- Time translations ↔ energy
4- Rotations ↔ angular momentum
Which of the above is/are matched correctly?
a) 1-2
b) 1-2-4
c) 1-3-4
d) Only 3
e) Only4
2) 2) They are ………………………………………. in the sense that they are symmetries of all interactions; strong, electromagnetic, and weak.
Fill in the blank.
a) Unitary symmetries
b) Exact symmetries
c) Approximate symmetries
d) Other symmetries
e) Strangeness
3)3) Which of the following gives fermions correctly?
a) Mesons
b) Baryons – mesons
c) Bosons
d) Quarks – leptons
e) Quarks – baryons
4)4) Which of the following is true about bosons?
a) Leptons are bosons.
b) Quarks are bosons.
c) Bosons with the same energy can not occupy the same place in space.
d) All observed bosons have half integer spin.
e) Particle and antiparticle have the same parity in bosons.
5)5) Which of the following is not a type of symmetry?
a) Angular momentum
b) Space translation
c) Rotation
d) Time displacement
e) Space inversion