The time required for one-half of a radioactive material to decay is called the
A) absolute age.
B) half-life.
C) date age.
D) true-life.
Answer: B
You might also like to view...
A tube bank consists of 30 columns of 3 cm diameter tubes, spaced 4.5 cm apart (center to center) in-line both ways. Ethylene glycol at 90ºC is to be cooled to 60ºC after passing over the tube bank at 2 m/s. Estimate the average tube temperature.
What will be an ideal response?
The masses of stars are generally in the range of 30 to 0.1 solar masses.
Answer the following statement true (T) or false (F)
When playing pool or billiards, the paths of the two balls after a collision are at approximately right angles to one another. This is due to:
A. The fact that momentum is conserved B. The fact that kinetic energy is conserved C. The fact that both momentum and kinetic energy are conserved
A long nonconducting cylinder (radius = 12 cm) has a charge of uniform density (5.0 nC/m3) distributed throughout its column. Determine the magnitude of the electric field 5.0 cm from the axis of the cylinder
a. 25 N/C b. 20 N/C c. 14 N/C d. 31 N/C e. 34 N/C