The energy levels of a particular quantum object are −8.2 ev, −4.4 ev, and −1.8 ev. if a collection of these objects is bombarded by an electron beam so that there are some objects in each excited state, what are the energies of the photons that will be emitted?
1. 12.6 ev, 2.6 ev, 10 ev
2. 3.8 ev, 12.6 ev, 2.6 ev
3. −8.2 ev, −4.4 ev, −1.8 ev
4. 3.8 ev, 6.4 ev, 2.6 ev
5. 8.2 ev, −4.4 ev, −1.8 ev
6. −3.8 ev, −6.4 ev, −2.6 ev
7. 6.4 ev, −4.4 ev, 1.8 ev
8. 3.8 ev, 6.2 ev, 12.6 ev
9. 10 ev, −3.8 ev, 6.4 ev
10. 12.6 ev, 10 ev, 6.2 ev

An alligator swims to the left with a constant velocity of 5 \,\dfrac{\text{m}}{\text s}5 s m ? 5, space, start fraction, m, divided by, s, end fraction. when the alligator sees a bird straight ahead, the alligator speeds up with a constant acceleration of 3 \,\dfrac{\text {m}}{\text s^2}3 s 2 m ? 3, space, start fraction, m, divided by, s, start superscript, 2, end superscript, end fraction leftward until it reaches a final velocity of 35 \,\dfrac{\text {m}}{\text s}35 s m ? 35, space, start fraction, m, divided by, s, end fraction leftward. how many seconds does it take the alligator to speed up from 5 \,\dfrac{\text {m}}{\text s}5 s m ? 5, space, start fraction, m, divided by, s, end fraction to 35 \,\dfrac{\text {m}}{\text s}35 s m ? 35, space, start fraction, m, divided by, s, end fraction?

Which two particles are found in the center of an atom

This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.