The percentage of a radionuclide that would remain after 4 half-lives is ______________
Fill in the blank(s) with correct word
6.25%
You might also like to view...
Two parallel disks shown in the figure have emissivity of 0.6. If one of the disks is at 200ºC and the other one is at 30ºC, (a) determine the net heat transfer between the two disks if the surroundings re-radiate heat and (b) determine the net heat transfer between the two disks if the surroundings are a black body at 20ºC.
Relative Velocity: A submarine must travel how fast (with respect to the water) and be pointed in what direction such that it moves 10 m/s directly northward (relative to the earth) if the water moves westward at 5.0 m/s?
What will be an ideal response?
Which of the following is not a feature of central dominant galaxies?
A) They're found in clusters of galaxies. B) They are spiral galaxies. C) They often have multiple galactic nuclei. D) They are thought to form through the mergers of smaller galaxies.
One phenomenon that demonstrates the wave nature of light is:
a. the photoelectric effect. b. quantization effects. c. absorption of light by an electron. d. interference effects.