Three resistor 5 ohms 8 ohms and 9 ohms are connected so that the total resistance is 22 ohms. Which of the following statements is true Options are below in the image

Light from two different sources are incident upon the same side of a polarizing filter. light from one source is polarized with total intensity ip, while light from the other source is unpolarized with total intensity iu. as you rotate the polarizing filter through 360 degrees, the intensity of the transmitted light on the other side varies by a factor of 9. what is the relative intensity of the initial polarized source to the unpolarized source, or ip/iu?

How many astronauts have walked on the moon?

Select the correct lewis structure for fluorine which is group 7a element?