the number
A hydrogen atom in its ground state is irradiated by light of wavelength 970 A. Taking hc/e = 1.237 * 10^-6 eV m and the ground state energy of hydrogen atom as -13.6 eV, the number
17
Oct
A hydrogen atom in its ground state is irradiated by light of wavelength 970 A. Taking hc/e = 1.237 * 10^-6 eV m and the ground state energy of hydrogen atom as -13.6 eV, the number A hydrogen atom in its ground state is irradiated by light of wavelength 970 A. Taking hc/e = 1.237 [...]
A sensor is exposed for time t to a lamp of power P placed at a distance l. The sensor has an opening that is 4d in diameter. Assuming all energy of the lamp is given off as light, the number
14
Oct
A sensor is exposed for time t to a lamp of power P placed at a distance l. The sensor has an opening that is 4d in diameter. Assuming all energy of the lamp is given off as light, the number A sensor is exposed for time t to a lamp of power P placed [...]