Some amount of ideal gas with internal energy u and initial temperature 1000c was compressed to half of volume meanwhile absolute pressure inside of a container increased twice. we can say that internal energy of this gas after compression in terms of u is (20.2, 20.1, 19.4, 19.5) group of answer choices

In this thread, i would like you to comment on the nature of light and how operation of telescopes. light has a duality of a particle and a wave; which one affects your life? also how does light interact with optics inside telescopic systems? answer these questions in two paragraphs. then respond the another students response.