X-ray beam of intensity `I_(0)` passes through an absorption plate of thickness d. If absorption coefficient of material of plant is `mu`, the correct statement regarding the transmitted intensity `l` of X-ray is

Mark out the correct statement regarding X-rays.

Mark out the correct statement regarding X-rays.

An upolarised beam of intensity 2a^(2) passes through a thin polarioid. Assuming zero absorption in the polariod, the intensity of emergent plane polarised light is

An upolarised beam of intensity 2a^(2) passes through a thin polarioid. Assuming zero absorption in the polariod, the intensity of emergent plane polarised light is

Light of having wavelength lambda and of intensitty I_0 passes through a material of thickness d.The resulatant intensity is

How many times will the intensity of a narrow X -ray beam of wavelength 20pm decrease after passing through a lead plate of thickness d = 1.0 mm if the mass absorption coefficient for the given radiation wavelength is equal to mu//rho = 3.6 cm^(2)//g ?

A ray of light passes through a glass plate of thickness and refractive index mu if the speed of light in vacuum is c ,then the time taken by light in passing through the plate will be-