Q3: List the important wavelengths from cosmic rays to radio rays?
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- Calculate the energy associated with a photon of blue light with a wavelength of 485nmOrder the following parts of the electromagnetic spectrum/colors by the amount of energy in the photon? Order the items from least to greatest. =red ultraviolet radio waves =yellow = gamma microwaves = x-raysWhat is meant by the electromagnetic spectrum? Describe the types of radiations that exist in the electromagnetic spectrum.
- Each spectral band is made up of many narrow lines. What is the origin of these lines?In the United States early cell phones used a band of frequencies around 800 MHz. (Now more bands are used, ranging from about 700 MHz to 2000 MHz.) What is the wavelength of an 800 MHz light wave?Give the peak wavelengths, λpeak, for each of the following cases. State which portion of the electromagnetic spectrum it falls within. The red giant star Betelgeuse, with T = 3600 K. (In nm.)