Question

25) If each hydrogen atom in the ground state, 1.0 mole of H atoms are exited by absorbing
photons of energy 8.4 eV, 12.09 eV and 15.0 eV of energy, then the number of spectral
lines emitted is equal to​

Answer 1

Explanation:

Motion, in physics, change with time of the position or orientation of a body. Motion along a line or a curve is called translation. Motion that changes the orientation of a body is called rotation. In both cases all points in the body have the same velocity (directed speed) and the same acceleration (time rate of change of velocity).

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