1.1)A) A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz (MHz), where 1MHz=10^6 Hz. Calculate the broadcast wavelength of the radio station 99.10 FM.
Express your answer in meters.
2)Green light has a frequency of about 6.00*10^14s^-1. What is the energy of a photon of green light?
3)Hospital X-ray generators emit X rays with wavelength of about 15.0 nanometers (nm), where 1nm=10^9-m. What is the energy of a photon of the X rays?
2.1) A microwave oven operates at 2.40 GHz. What is the wavelength of the radiation produced by this appliance? in nano meters
3)632.8 nm(wavelength of red light from helium-neon laser) Energy1=?J 0.052 nm (a wavelength contained in medical X-rays)
4)visible light (520nm ) E=kj?
5)Suppose that the microwave radiation has a wavelength of 12.4cm . How many photons are required to heat 235 mL of coffee from 25.0 C to 62.0 C? Assume that the coffee has the same density, 0.997g/mol , and specific heat capacity, 4.184 J?g*K, as water over this temperature range. photons?
6)What is the longest wavelength of radiation with enough energy to break carbon-carbon bonds?
7)What is the threshold frequency of cesium?