If a bar magnet is divided into two equal pieces,

A) 3.47 × 1014 Hz . B) 3.74 × 1014 Hz . C) 4.73 × 1014 Hz . D) 7.36 × 1014 Hz. E) 9.21 × 1014 Hz. What is the energy difference between the second excited state and first excited state of an electron in the “box” of size L=1nm? A) 1.9 eV. B) 1.1 eV. C) 0.6 eV. D) 0.3 eV. E) 0.2 eV. In making a transition from state n = 1 to state n = 2 ... ................
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