Galaxy doppler shift - a distant galaxy is moving away from us at a speed of 63927063 m/s for hydrogen gas in this Galaxy, calculate the wavelength in nm to one decimal place of the hydrogen alpha line as observed here on earth. note this wavelength emitted by hydrogen is measured in the first-year physics lab to be 656.2nm black body radiation- consider a black body that radiates with an intensity of 1 add a temperature of 300 Kelvin. at what intensityi2 will this black body radio when it is at a temperature of 900K. 911 1/9 11 4 11 81 11 1/81 11 Photoelectric affect and development modern physics- the photoelectric effect was crucial in the development of modern physics, but it demonstrated the - wave nature of the electron localization of most of the mass of an atom in the nucleus wave nature of light particle nature of light validity of special theory of relativity

Galaxy doppler shift - a distant galaxy is moving away from us at a speed of 63927063 m/s for hydrogen gas in this Galaxy, calculate the wavelength in nm to one decimal place of the hydrogen alpha line as observed here on earth. note this wavelength emitted by hydrogen is measured in the first-year physics lab to be 656.2nm black body radiation- consider a black body that radiates with an intensity of 1 add a temperature of 300 Kelvin. at what intensityi2 will this black body radio when it is at a temperature of 900K. 911 1/9 11 4 11 81 11 1/81 11 Photoelectric affect and development modern physics- the photoelectric effect was crucial in the development of modern physics, but it demonstrated the - wave nature of the electron localization of most of the mass of an atom in the nucleus wave nature of light particle nature of light validity of special theory of relativity