The short wavelength limits of the Lyman, paschen and Balmer series of hydrogen spectrum are donated by `lambda _L`, `lambda_p`, `lambda_B` respectively.Arrange these wavelengths in increasing order.

Find the shortest wavelength of the Paschen series, given that the longest wavelength of the Balmer series in the hydrogen spectrum is 6563 A^@ .

The wavelengths of some of the spectral lines obtained in hydrogen spectrum are 9546 overset(@) (A) 6463 overset (@)(A) and 1216 overset (@)(A) . Which one of these wavelengths belongs to Lyman series?

A ray of light travelling in air haves wavelength lambda , frequency n, velocity v and intensity I. If this ray enters into water then these parameter are lambda ', n' , v' and I' respectively. Which relation is correct

In an alpha decay, the daughter nucleus produced is itself unstable and undergoes further decay. If the number of parent and daughter nuclei at time t are Nl_p and N_d respectively and their decay constant are lambda_p and lambda_d respectively. What condition needs to be satisfied in order for Nd to remain constant ?

The H_a line of the Balmer series of hydrogen spectrumhasa wavelength 6560xx10^-10m .Calculate the wavelength of H_b line of the Balmar series.

The energies E_1 and E_2 of two radiations are 25 eV and 50 eV respectively. The relation between their wavelength i.e., lambda_1 and lambda_2 will be__.

Light of wavelength lambda_(A) and lambda_(B) falls on two identical metal plates A and B respectively . The maximum kinetic energy of photoelectrons in K_(A) and K_(B) respectively , then which one of the following relations is true ? (lambda_(A) = 2lambda_(B))

A proton and an alpha-particle are accelerated,using the same potential difference. How are the de Broglie wavelengths lambda_P and lambda_alpha related to each other?