Directions: Identify what is being asked. Write your answers on a separate sheet of paper. 1. Based from the equation, E= hc/2., wavelength is proportional to energy 2. When electrons leave the excited states and return to return to lower energy levels, they emit energy in the form of 3 Cone cells of the human eyes have pigments that detect color 4. The three types of cones in the human eyes are: and 5. was proposed by Albert Einstein, which states that light itself is quantized. 6. The value of Planck's constant is 7. is the unit of frequency. Solar energy enters the Earth's atmosphere in the form of wavelength and energy as 9. X-rays have frequency, compared to visible light. 10. refers to the print deterioration which is seen as blur across the print.