Home › World Scholar's Cup › Science › Science and Technology › For a huge batch of uranium atoms, the time in w…
For a huge batch of uranium atoms, the time in which the odds of decay are fifty-fifty is the:
AHalf-life
BLight year
COrbit time
DDecay year
Answer & Solution
Correct answer: A. Half-life
1. It is a fixed period for each type.
2. Half the nuclei are expected to go.
3. It is the half-life.
_Source: OpenStax Astronomy 2e, Chapter 7, Other Worlds: an Introduction to the Solar System._
Related questions
Most asteroids were already there before the planets themselves took shape. That makes theA student counts up the moons known to circle Pluto. The count is:The largest asteroid is big enough to be classed as a dwarf planet too. It is:Ganymede, Callisto and Titan are each about half frozen water. The other half is:Two worlds spin about an axis tipped almost onto its side. They are:One planet spins backwards, very slowly, against the usual direction of the others. That pA slow rain of projectiles from space has pockmarked solid surfaces across the solar systeA fragment of the Moon, Mars or Vesta lands on Earth and gets studied in a laboratory. Tha