Holograms employ the principle of
A) diffraction.
B) interference.
C) both of these
D) neither of these
Answer: C
You might also like to view...
Diving in your swimming pool, you let out a stream of bubbles. As they rise towards the top do they increase in diameter, decrease in diameter, or stay the same size?
A. increase B. decrease C. stay the same
The outer Jovian planets most likely formed from
A) clumps of hydrogen and helium gas spun from a rapidly rotating protosun B) larger collections of hydrogen and helium gas attracting particles of rock and ice to them C) the collision and coalescence of clumps of hydrogen and helium gas within the solar nebula D) planetesimals of rock and ice attracting hydrogen and helium gas from the solar nebula
Why do scientists say that evolution is a "theory"?
A) because it explains a great deal about life and is supported by an enormous body of evidence B) because they are not very confident that it really happened C) because it is supported by only a small amount of evidence D) because it's really just a guess about how life developed on Earth
Two flat glass plates, 10.0 cm wide, touch at one end but are separated by a thin wire at the other end, forming a wedge. Light with a wavelength of 450 nm shines almost perpendicularly on the glass and forms fringes which are 1.80 mm apart
What is the diameter of the wire? A) 25.0 ?m B) 17.5 ?m C) 20.0 ?m D) 12.5 ?m E) 10.0 ?m