when a hydrogen atom undergoes a transition from the n = 2 to the n = 1 level, a photon with λ = 122 nm is emitted.

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.