What is the difference between the number of neutrons in an atom of calcium Ca, and the number of neutrons in an atom of Scandium Sc? 4

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Unpolarized light whose intensity is 1.19 w/ is incident on a polarizer. (a) what is the intensity of the light leaving the polarizer? (b) if the analyzer is set at an angle of = 41.0∘ with respect to the polarizer, what is the intensity of the light that reaches the photocell?

Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?

Amagnetic field applies forces on: a)static chargesb)moving chargesc)water flow