Perspex (PMMA) is not a soft solid.
No, it's plastic
A front is the boundary that separates different air masses. The two kinds of fronts are warm front and cold front.
yes
True
light will speed up slightly and be bent away from the normal.
The wavelength bends forward as it leaves the air and enters the Perspex. The frequency of the wavelength will also increase.
Yes when heated with a hot air gun or heating element.
it stays the same
perspex is a plastic
Perspex Island was created in 1991.
john harry smith invented perspex
Relatively speaking perspex is more dence than water.
Perspex (PMMA) is not a soft solid.
Perspex is cheaper. 100%. Defo. IRL.
it stays the same it becomes irregular it decreases it increases
E=2800 MPa nu=0.38 For Perspex sheet