The answer to what experimental result required considering the particle nature of light is A. The ultraviolet catastrophe of blackbody radiation.
The answer is B (The second one). I'm not sure though.
A particle smaller than an atom or a <span>cluster of such particles </span>
There's nothing mysterious about it at all. "Frequency" simply means
"often-ness" ... how often or how frequently something happens.
-- The frequency of traditional meals is 3 per day.
-- The frequency of an equinox is 2 per year.
-- The frequency of my sleeping really late is 1 per week.
-- The frequency of my intense desire to sleep late is 30 per month.
etc.
-- The standard unit of frequency in the SI system is "per second".
The special name for that unit is "Hertz". (Hz)
Hello There!
The resistance of a conductor depends on all of the following except mass.
Mass wouldn't affect the resistance in any way.
Hope This Helps You!
Good Luck :)
- Hannah ❤