Mod Physics HW #3

Which particles are most likely to be found in an atomic nucleus?

• neutrons, only

• protons, only

• both protons and neutrons

• both neutrons and electrons

Tags

NGSS.HS-PS1-8

Which description of the interaction which binds a nucleus together is most accurate?

• long-range and weak

• long-range and strong

• short-range and weak

• short-range and strong

Tags

NGSS.HS-PS1-8

What force holds protons and neutrons together in an atom?

• strong force

• magnetic force

• gravitational force

• electrostatic force

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

• strong

• weak

• gravitational

• electromagnetic

Tags

NGSS.HS-PS2-4

The energy produced by the complete conversion of 2.0 x 10^-5 kilogram of mass into energy is

• 1.8 TJ

• 6.0 GJ

• 1.8 MJ

• 6.0 kJ

Tags

NGSS.HS-PS3-1

In the equation E = mc², E is measured in what unit?

But also could be expressed as what unit?

• Newtons/Coulomb

  Joules

• Joules

  Electron-volts

• Joules/second

  Electron-volts

• Joules

  Coulombs

If a deuterium nucleus has a mass of 1.53 x 10^-3 universal mass unit less than its components, this mass represents an energy of

• 1.38 MeV

• 1.42 MeV

• 1.53 MeV

• 3.16 MeV

Tags

NGSS.HS-PS1-8

Calculate the amount of energy in joules that would be produced if 2.50 x 10^-3 kilogram of matter was entirely converted to energy.​ (a)   Units​ (b)  

If the mass of one proton was totally converted into energy, the yield would be

• 2.79 x 10^-38 J

• 5.01 x 10^-19 J

• 1.50 x 10^-10 J

• 9.00 x 10¹⁶ J

Tags

NGSS.HS-PS1-8

In a nuclear reaction, 9.90 X 10¹³ joule of energy was released. Calculate the mass equivalent of this energy.

• 5.0 × 10^-4 kg

• 1.0 × 10^-3 kg

• 5.0 × 10^-3 kg

• 5.0 × 10^-2 kg

Tags

NGSS.HS-PS1-8