Plancks oscillation
Synchrotron radiation
Blackbody radiation
Spontaneous emission
One bar is equal to
One billionth of a second is called
One horsepower is equal to how many watts?
One joule of work is said to be done when_:
One Kilowatt hour is equal to -
One light year is equal to
One nanometer is equal to _ meters.
One of difficulties encountered with super-conductors is
One should not connect a number of electrical appliances to the same power socket because
One Torr is equivalent to how many mm of Mercury?