bpham458530 bpham458530

07-03-2024
Physics

contestada

Câu 4. Chiếu một tia sáng SI lên một gương phẳng, ta thu được một tia phản xạ IR tạo với tia tới một góc 80 0 .
a. Vẽ hình biểu diễn tia sáng SI và tia phản xạ IR trên mặt phẳng gương.
b. Tìm giá trị của góc tới và góc phản xạ.

Respuesta :

Otras preguntas

Which verb agrees with the subject in the sentence? Either Joe or I __________ taking pictures at the wedding. A. am B. were C. are

a short poem of songlike quality a. rhyme b. wit c. foil d. lyric

4/5y+3/10=1/2y-6 what does y equal

Which of the following is true of coral? a. It is located in deep sea regions. b. It supports few species. c. It is a large and complex organism. d. It is compo

what map projection is often used to show polar regions

why does acid precipitation weather rocks faster then Normal precipitation

Hi I just have a question how do you divide 18/32 with out a calculator. If I divide it in a piece of paper it comes out a different answer that is not correct

Which of the following is a guideline for managers to evaluate employees?

What does the abbreviation "m" stand for in math?

What was King George's reaction to Americans fighting back against his army?