Modern Physics

Which fundamental force is primarily responsible for the attraction between protons and electrons?

• strong

• gravitational

• electromagnetic

• weak

Tags

NGSS.HS-PS2-4

What are the subatomic particles called that make up both protons & neutrons?

(a)  

The electron is classified as a

(a)  

Which type of fundamental force overcomes the repulsive, electrostatic force between protons in the nucleus of an atom?

• the gravitational force

• the weak force

• the strong force

• the magnetic force

A proton has a quark content of uud.

What is the quark content of an antiproton?

• ūūđ

• uūđ

• ūđd

• tcs

A particle has quark composition of dds. What is the charge on & classification of the particle?

(a)  

What kind of particle has a composition of bđ ?

• a meson

• a boson

• a baryon

• a quark

What is the mass of an antineutron in kilograms?

• 1.67 x 10 ^-27 kg

• -1.67 x 10 ^-27 kg

• +1 u

• -1 u

The total conversion of 1.00 kilogram of the sun’s mass into energy yields

• 9.31 × 10² MeV

• 3.00 × 10⁸ J

• 8.38 × 10¹⁹ MeV

• 9.00 × 10¹⁶ J

Tags

NGSS.HS-PS3-1

Base your answer on information in the table, which shows data about various subatomic particles.

Which particle listed on the table has the opposite charge of, and is more massive than a proton?

• antiproton

• neutron

• lambda

• omega