What is the main tenet of Plank's quantum hypothesis?
A) Energy comes in discrete packets of a certain minimum size.
B) Energy is composed of subatomic particles called quanta.
C) Energy is a continuum, but light is quantized.
D) Energy can be converted into matter through nuclear quanta.
E) Light is composed of waves that exist only at certain quantum fundamental frequencies.
A
You might also like to view...
The latitude of the upper right (northeast) corner of the map is 35°30' N, while the longitude of the lower left (southwest) corner of the map is 110°00' W. Why is this called a “7.5 minute” topographic map? (Hint: What is “minute” referring to?)
The question is based on the lower right (southeast) corner of the “Greasewood Spring, Arizona,” quadrangle (Maps T-18 and T-19 shown in color in the back of the Lab Manual). What will be an ideal response?
The "Golden Triangle", where several countries meet is a major source of opium and amphetamine production. All of the countries below meet in this area except:
A. China B. Thailand C. Malaysia D. Laos
Which statement about John Joly's salty ocean theory to calculate Earth's age is false?
A) John Joly's theory gives a more accurate estimate of Earth's age now that more accurate observational data is available. B) Joly believed that the ocean began as a salty body of water and that salt entered it from rock sources at a steady rate. C) Joly's method was less accurate than Kelvin's. D) Joly underestimated the amount of precipitated rock salt in the world.
In ecology, a ________ is made up of interacting populations of different species that inhabit the same area
A) guild B) biome C) community D) ecosystem E) population