I need help with this please and thank you. There is no choice so it has to be an explanation like the question states. Thank you for your help!

Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

What is the name for the remnant of an asymptotic giant that has lost its shells? black dwarf white dwarf yellow giant black hole