Large scale structures of the Universe include ___________
a. filaments b. voids
c. walls d. All of the other choices are correct.
d
Physics & Space Science
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What is the difference between re-radiating surfaces and black body surfaces?
What will be an ideal response?
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Light of wavelength 0.50 ?m illuminates a soap film (n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident normally on it?
What will be an ideal response?
Physics & Space Science
The study of rocks is called
a. petrology. b. mineralogy. c. paleontology. d. geology.
Physics & Space Science
Which of the following optical elements used alone can produce a real image of an object?
A. Negative lens B. Plane mirror C. Convex mirror D. Concave mirror E. Prism
Physics & Space Science