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Question

The Bose-Einstein condensate is formed by:
  1. cooling a gas of extremely high density, about one-hundred-thousand times the density of normal air, to super low temperatures
  2. heating a gas of extremely low density, about one-hundred-thousandth the density of normal air, to super low temperatures
  3. heating a gas of extremely low density, about one-hundred-thousandth the density of normal air, to super high temperatures
  4. cooling a gas of extremely low density, about one-hundred-thousandth the density of normal air, to super low temperatures

A
heating a gas of extremely low density, about one-hundred-thousandth the density of normal air, to super low temperatures
B
heating a gas of extremely low density, about one-hundred-thousandth the density of normal air, to super high temperatures
C
cooling a gas of extremely high density, about one-hundred-thousand times the density of normal air, to super low temperatures
D
cooling a gas of extremely low density, about one-hundred-thousandth the density of normal air, to super low temperatures
Solution
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The Bose-Einstein condensate is formed by cooling a gas of extremely low density, about one-hundred-thousandth (1/100000) the density of normal air, to ultra-low temperatures.

Hence, the correct option is D

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