Frequency of a photon emitted due to transition of electron of a certain element from `L to K `shell is found to be `4.2 xx 10^(18) Hz` Using Moseley 's law, find the atomic number of the element , given that the Rydberg's constant `R = 1.1 xx 10^(7) m^(-1)`
FIITJEE|Exercise (NUMERICAL BASED QUESTIONS)|4 Videos
Similar Questions
Explore conceptually related problems
Find the wavelength of H_(alpha) line given the value of Rydberg constant, R=1.1xx10^7m^-1 .
Characteristic X-rays of frequency 4.2xx10^18 Hz are produced when transitions from L-shell to K-shell take place in a cartain target meterial. Use Mosley's law to determine the atoic number of the target matderial. Given Rydberg constant R =1.1xx10^7 m^(-1) .
Using Bohr's postulates, derive the expression for the total energy of the electron revolving in n^(th) orbit of hydrogen atom. Find the wavelength of H_(alpha) line, given the value of Rydberg constant, R = 1.1 xx 10^(7) m^(1)
Calculate the longest and shortest wavelength in the Balmer series of hydrogen atom. Given Rydberg constant = 1.0987xx10^7m^-1 .
Calculate the shortest wavelength of light emitted in the Paschen series of hydrogen spectrum. Which part of the electromagnetic spectrum, does it belong ? ( Given : Rydberg constant , R = 1.1 xx 10^(7)m^(-1)
