Two emerging beams of light produced by a birefringent crystal
A) are at different frequencies.
B) will produce an interference pattern when recombined.
C) are polarized in the same direction.
D) are polarized in mutually perpendicular directions.
E) are at 90 with respect to one another.
Question 2
A hyperopic eye can focus on objects which are 75. cm and farther. What POWER and what FOCAL LENGTH spectacles should be prescribed so it can see objects 25. cm and farther from the eye? (Assume negligible distance between spectacles and eye.)
What will be an ideal response?
Phytochrome controls germination by responding to red/far red light signals.
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