На рисунке 3 изображена схема падения луча света ао на поверхность mn. назовите угол отражения луча. а. noa б. аов в. вос г. сом д. ни на один из названных.

General questions: 1. was the aeronautical society formed in great britain? 2. did wenham's findings substantiate cayley's theories? subject questions: 3. who is credited with building the first wind tunnel? 4. what was formed in 1866 in great britain? special questions: 5. when was the aeronautical society of great britain formed? 6. what did wenham submit during the first meeting? alternative questions: 7. was f.h. wenham a marine engineer or a sea captain? 8. wenham submitted the results of his research in aerodynamics or in mathematics? tag-questions: 9. it represented the first organized activity dedicated to the research of aviation, didn't it? 10. wenham is also credited with building the first wind tunnel, isn't he?

длина волны = пути, который проходит волна за период колебаний 

λ = v×t =4×8 =32 м

e=n(ф2-ф1)/t

n=et/ф2-ф1=10в*32с/0.024вб=13 333