The wavelength of a yellow line spectrum of sodium atom is 5896 A. Express it in nm.

The average wavelength of the yellow light emitted form a sodium lamp is 5893 overset @ A .Express it in nanometres.

The wavelength of light the spectral emission line of sodium is 589 nm. Find the kinetic energy at which (a) an electron and (b) a neutron,would have the same de Broglie wavelength.

The wavelength of light from the spectral emission line of sodium is 589 nm. Find the kinetic energy at which a neutron, would have the same de-Broglie wavelength.

The frequency of strong yellow light in the spectrum of sodium is 5. 09 xx 10 ^(14) s ^(-1). Calculate the wavelengh of the light.

The wavelength of a spectral line of cesium is 460 nm. calculate the frequency of the line.

The wavelengths involved in the spectrum of deutrium ("_1H^2) are slightly different from that of hydrogen spectrum, because:

The hydrogen atom in the ground state is excited by mass of monochromatic radiations of wavelength lambda Å . The resulting spectrum consists of maximum 15 different lines . What is the value of lambda ? ( R_H = 109737 cm^(-1)) .

What is the wavelength in nm of the spectral line associated with a transition from n=3 to n= 2 for the Li^(2+) ion?

A 100 W sodium lamp radiates energy uniformly in all direction. The lamp is located at the centre of a large sphere that absorbs all the sodium light which is incident on it. The wavelength of the sodium light is 589 nm. What is the energy per photon associated with the sodium light?