1. Where do nuclear fusion reactions continuously occur? a) a bowl of hot soup b

Question

1. Where do nuclear fusion reactions continuously occur?

a) a bowl of hot soup

b) the interior of the sun or other stars

c) the upper part of earth's atmosphere

d) the cores of nuclear reactors

2. Which statment explains why the fission fragments of uranium are always unstable?

a) fission fragments have approximately the same NIZ value as the parent nuclide

b) fission fragments have approximately one half the NIZ value as the parent nuclide

c) the electrons of fission fragments have too much energy to be stable

d) fission fragments travel at too fast a speed to be stable

3. Which proccess occurs when gamma rays interact with matter through the photoelectric effect?

a) nuclei absorb slow-moving neutrons, causing the nucleus to emit energy and particles

b) an electron absorbs a photon, causing it to become freed from its molecular bond

c) a high energy photon emparts energy to an electron, causing the photon's direction to change

neutrons collide with nuclei, causing them to become unstable

4. How does the beta-minus particle compare with an electorn in an orbital around the nucleus?

a) the 2 particles have slightly different volume

b) the 2 particles have slightly different mass

c) the 2 particles are identical

d) the 2 particles have slightly different charge

Explanation / Answer

1. the interior of sun and other stars ................ 2. a) fission fragments have approximately the same NIZ value as the parent nuclide ...................... 3. neutrons collide with nuclei, causing them to become unstable ..................... 4. d) the 2 particles have slightly different charge

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