A. -9.20eV
B. -8.20eV
C. -2.75eV
D. -1.75eV
Correct Answer:
Option C = -2.75eV
Explanation
E3=E/n²
E3=−24.8/3²
E3=2.75eV
Calculate the energy of the third level of an atom if the ground state energy is – 24.8eV?
![A body of mass 1000kg is released from a height of 10m above the ground. Determine its kinetic energy just before it strikes the ground. [g = 10ms‾²]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A body of mass 1000kg is released from a height of 10m above the ground. Determine its kinetic energy just before it strikes the ground. [g = 10ms‾²]")
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