Question

.1. Ultraviolet radiation has a frequency of 6.8 x 101 1/3. Calculate the energy, in joules, of the photon.

2. Find the energy, in joules per photon, of microwave radiation with a frequency of 7.91 x 10101/s.

3. A sodium vapor lamp emits light photons with a wavelength of 5.89 x 10m. What is the energy of these photons?

4. One of the electron transitions in a hydrogen atom produces infrared light with a wavelength of 7.464x 10m. What amount of energy causes this transition?

5. Find the energy in kJ for an X-ray photon with a frequency of 2.4 x 1018 1/s.

6. A ruby laser produces red light that has a wavelength of 500 nm. Calculate its energy in joules.

7. What is the frequency of UV light that has an energy of 2.39 x 10-18 J?

8. What is the wavelength and frequency of photons with an energy of 1.4 x 10-21 J?

9. Are frequency and energy directly or inversely proportional?

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