Examlex
The figure shows part of the energy level diagram of a certain atom.The energy spacing between levels 1 and 2 is twice that between 2 and 3.If an electron makes a transition from level 3 to level 2,the radiation of wavelength λ is emitted.What possible radiation wavelengths might be produced by other transitions between the three energy levels?
Productivity
The measure of the efficiency of a person, machine, factory, system, etc., in converting inputs into useful outputs.
Terms of Trade
The ratio at which a country's exports are exchanged for imports, influencing the level of a country's economic health and prosperity.
World Price
The price at which a good is traded on the world market; determined by the world demand and world supply for the good.
Tariff
A Tariff is a tax imposed by a government on imported goods, often used to protect domestic industries from foreign competition.
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