SFU3063 Particle Physics & Cosmology

There are four (4) fundamental interactions in nature EXCEPT:

• Hubble interaction

• Gravitational interaction

• Weak interaction

• Strong interaction

Fundamental particles (also called elementary particles) are the smallest building blocks of the universe. Which one below are FALSE statement?

• Particles that carry force, called bosons

• Particles that make up all matter, called fermions

• A boson is any particle that has an odd half-integer

• The key characteristic of fundamental particles is that they have no internal structure

TWO (2) ways to measure the expanding universe:

• Telescope

• Doppler Effect

• Dark Matter

• Nebula

"According to the standard theory, our universe sprang into existence as "singularity" around 13.7 billion years ago."

This statement is related to:

• Gluon Theory

• Edwin theory

• Big Bang Theory

• Farad Theory

These statements are TRUE about "LIGHT YEAR" EXCEPT for:

• in one year, it can travel about 10 billion km

• distance that light can travel in one year

• one light-year is equal to 9,500,000,000,000 kilometers

• it takes nearly 8 minutes for light from the sun to reach Earth.