False, although they are usually a liquid. Solvents can be a solid or gas as well. Also, solutes can be in any state as well.
As we know that in transformers we have

here we know that



now from above equation we will have



A plane mirror always forms a virtual image. the image and the object are the same distance from a flat mirror, the image size is the same as the object, and the image is upright!
The volume decreases, by a factor of
(the original pressure/(125 kPa).