Which of the following statements is NOT correct about Bose-Einstein condensation?

a.The only fermions allowed in a Bose-Einstein condensation must come in pairs.
b. Liquid 4He transitions to a superfluid as a Bose-Einstein condensate at a much higher temperature than liquid 3He transitions to a superfluid.
c. A Bose-Einstein condensate has special properties because all of its constituent bosons are in the same quantum state.
d. The wave functions of bosons in a Bose-Einstein condensate are forbidden to overlap due to the Pauli exclusion principle.


d.
This statement is not true. The bosons in a Bose-Einstein condensate do not obey the Pauli exclusion principle

Physics & Space Science

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If you push with 200 N of force against your 1500-N refrigerator and it slides across your kitchen floor at constant velocity, friction of the floor against the refrigerator must be

1) zero, 2) 200 N, 3) 1300 N, 4) 1500 N, 5) greater than 1500 N, and the force with which you push must be 6) equal and oppositely directed to the friction force. 7) the action force, and the friction the reaction force. 8) both of these. 9) none of these.

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The deflection of air and ocean currents from their original direction of motion due to the rotation of Earth is called ________.

A. differentiation B. precession C. revolution D. the Coriolis effect E. circulation

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A sound wave in air has a frequency of 515 Hz and a wavelength of 0.68 m. What is the air temperature?

a. –18°C c. 15°C b. 32°C d. 27°C

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What is the difference between intrusive and extrusive igneous rocks?

What will be an ideal response?

Physics & Space Science