A Marble of Mass 20 G Is in a Box $\times$

Multiple Choice

A marble of mass 20 g is in a box of length 5.0 cm.The difference between the energies of the two lowest energy states allowed for this marble is approximately

A) 3.5 $\times$ 10^-64 J
B) 3.3 $\times$ 10^-63 J
C) 1.4 $\times$ 10^-63 J
D) 1.0 $\times$ 10^-65 J
E) 3.5 $\times$ 10^-68 J