What is a rem?

A) A rem is a unit for measuring radiation exposure.
B) A rem is the maximum exposure limit for occupational safety.
C) Rem stands for Rapid Electron Motion.
D) A rem is the number of radiation particles absorbed per second.
E) Rem is an '80s rock group.


Answer: A

Physics & Space Science

You might also like to view...

If the density of the universe is equal to the critical density, and H equals 50 km/sec/Mpc, then the true age of the universe is 13.3 billion years

Indicate whether the statement is true or false

Physics & Space Science

A Li2+ ion undergoes a transition from the n = 4 to the n = 3 state. The energy of the emitted photon is

a. 4.5 eV b. 10.2 eV c. 5.95 eV d. 2.6 eV e. 0.66 eV

Physics & Space Science

Which type of reaction is 2Fe2O3+ 3C? 4Fe+ 3CO2?

a. Decomposition b. Combination c. Double-replacement d. Single-replacement

Physics & Space Science

The total mass of a binary system can be calculated from

a. the ratio of the angular separation from the center of mass of each of the stars. b. the distance to the binary and its radial velocity. c. the semimajor axis and period of the orbit. d. the radial velocities of the two stars. e. the time required for the smaller star to eclipse the larger star.

Physics & Space Science