zahwaahmaf
29.12.2020 •
Physics
A ray of light is incident on a glass-air boundary for which the critical angle is C.
Which diagram correctly shows the paths of the ray?
a
A
b
B
c
C
d
D
Question 21 (1 point)
Which of the following diagrams is the best representation of a ray of monochromatis light passing from air through a triangular glass prism?
a
A
b
B
c
C
d
D
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Ответ:
Explanation:
Mass = 40 g
edge of cube = 1.74 cm
volume of cube = s^3 = 1.74^3 = 1.74 * 1.74 * 1.74 = 5.268024cm cube
density = Mass/volume
= 40/5.268024
= 7.6 g/cm