SH2 TERM 4 PHYSICS

The interaction that describes the forces among nucleons that hold nuclei together is

• Strong nuclear force

• Weak nuclear force

• Father nuclear force

• Daughter nuclear force

Particles that participate in the strong nuclear interaction are called

• alpha

• hadrons

• gamma

• beta

Which quarks fom a neutron ?

• up, up, down

• up, down, up

• up, down,down

• up, up, up

The charge of particle dds is ____

• 0

• 1

• 2

• -1

When an alpha particle is emitted from an unstable nucleous, the atomic mass number of the nucleus ____

• decreased by 4

• increased by 4

• decreased by 2

• increased by 2

The characteristic that distinguishes fermions from bosoms is _____

• their core

• their spin

• their heat

• their light

An atomic particle that has the mass of a proton and the charge of an electron is called ____

• a proton

• a neutron

• an antiproton

• an antineutron

Which of the following statements about electrons is not true?

• electrons have the same mass as protons

• Electrons can jump between energy levels in an atom only if they receive or give up an amount of energy.

• Within an atom, an electron can have only particular energies.

• Electrons have little mass compared to protons or neutrons.

Phase difference between a node and an antinode is ____

• 90^o

• 45^o

• 180^o

• 270^o