The wavelength (lamda) of yellow light emitted by a sodium lamp is 580 nanometers. Its frequency (v...

Is light from a sodium lamp polarised ?

If the wavelength of light emitted by a sodium vapour lamp is 5893 A then the numebr of photons emitted in 5 hour by a 50 W lamp will be

The wavelength of yellow line of sodium is 5896 Å . Its wave number will be

The wavelength of yellow sodium light in air is 589 nm. (a) What is its frequency? (b) What is its wavelength in glass whose index of refraction is 1.52? (c) From the results of (a) and (b), find its speed in this glass.

The wavelength of sodium D_2 line obtained from a sodium vapour lamp is 5890Å . If the wavelength of sodium D_(2) line emitted by a star is measured as 5895 Å , then this implies that

The wavelength of a beam of light is 5894 Ã… . Express the value in nanometers.

Yellow light emitted from a sodium lamp has eavelenght (i) of 580 nm .Find the frequency (v) wavelength (barv) of the yellow light

The wavelength of yellow sodium line (5896 Å) emitted by a star is red shifted to 6010 Å. What is the component of the star's recessional velocity along the line of sight? Speed of light = 3xx10^(8)ms^(-1) .