Date / 7 Page No. Cave reason: When a coin and a feather are dropped from the roof of a building the copn reaches the ground earlier.​

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?

Properties seen when one one substance changes to another are known as properties

An atom that has gained or lost electrons is called an _