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Questions and Answers
What is the relationship between the energy (E) of light and the number of waves that pass a point in 1 second (frequency, ν)?
What is the relationship between the energy (E) of light and the number of waves that pass a point in 1 second (frequency, ν)?
- E = hC
- E = h/ν
- E = hν (correct)
- E = hλ
What is the wavelength of the green light from a traffic signal if its frequency is 5.76 x 10^14 Hz?
What is the wavelength of the green light from a traffic signal if its frequency is 5.76 x 10^14 Hz?
- 611 nm (correct)
- 589 nm
- 522 nm
- 590 nm
What does the lowest energy level in a substance (molecule or atom) represent?
What does the lowest energy level in a substance (molecule or atom) represent?
- Vibrational energy level
- Rotational level
- Excited state (Ex)
- Ground state (G.S) (correct)
What type of light absorbed by a substance causes electronic transition followed by emission?
What type of light absorbed by a substance causes electronic transition followed by emission?
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What characteristic defines the distance of one complete cycle (one wave) for light?
What characteristic defines the distance of one complete cycle (one wave) for light?
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