Plane polarized light is sent through two consecutive polarizers, the first having its plane of polarization in the same direction as the incident light and the second having its plane at 90 to the original plane of polarization. A third polarizer, with plane of polarization at 60 to the original plane of polarization, is placed between the two other polarizers. What fraction of the original intensity now gets through?
a. 0.56
c. 0
b. 0.19
d. 0.25
Question 2
Which of the following statements is true?
a. A hot object contains a lot of heat.
c. Objects do not contain heat.
b. A cold object contains only a little heat.
d. Statements a and b are true.
An overview of the two stages of photosynthesis: light reactions and the Calvin cycle
Went and Briggs demonstrated the relationship between light perception and auxin function.
Edmund Clark. Camp Five, Detainee's Cell, from the series Guantanamo: If the Light Goes Out, ...
Predators adapt to extreme water pressure and the absence of light
Two objects in a pulley on an inclined plane
Light-reflecting Eyes