Chemistry - Electromagnetic Radiation Questions and Answers Latest Version Already Passed

Chemistry - Electromagnetic Radiation Questions and Answers Latest Version Already Passed What is electromagnetic radiation? Energy that travels in waves through space What is the speed of light in a vacuum? Approximately 3.00 × 108 meters per second What is the relationship between wavelength and frequency? They are inversely proportional What happens to energy as the frequency of electromagnetic radiation increases? Energy increases Which part of the electromagnetic spectrum has the highest energy? Gamma rays 2 What is the unit of frequency in electromagnetic radiation? Hertz (Hz) What is the formula that relates the speed of light, wavelength, and frequency? c = λν What does "λ" represent in the equation c = λν? Wavelength What does "ν" represent in the equation c = λν? Frequency Which type of electromagnetic radiation is used in medical imaging? X-rays What type of electromagnetic radiation has the longest wavelength? Radio waves 3 Which color of visible light has the highest energy? Violet Which color of visible light has the longest wavelength? Red What is the primary source of electromagnetic radiation on Earth? The Sun What happens when an atom absorbs energy? Electrons move to a higher energy level What occurs when an excited electron returns to a lower energy level? It emits electromagnetic radiation Which type of electromagnetic radiation is used in night vision technology? Infrared