The distance between the slits in the two-slit experiment is 1.50 × 10-5 m. A beam of light of wavelength 600 nm is used and the distance between the slit and the screen is 2.00 m
What is the distance on the screen between the central bright fringe and the 4th order bright fringe? A) 0.132 m
B) 0.201 m
C) 0.324 m
D) 0.528 m
E) 0.688 m
C
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Which of the following hypothetical universes would be the youngest, assuming that all are expanding at the same rate?
A) the one that has the most dark matter B) the nearly empty universe with no dark matter C) the one that has the most dark energy D) All of these universes would have the same age.
How large is Jupiter's magnetosphere?
A) It is about as large as the Earth's. B) It is so large it extends out to the orbit of Io. C) It is a million times the volume of the Earth's, extending beyond the orbit of Saturn. D) It extends inward to the orbit of Mars. E) It envelopes even the Sun and rest of the solar system.
What parts of the EM spectrum are now able to be viewed in the universe?
What will be an ideal response?
Line waves with wavelength ? going through a slit with width a will be diffracted into circular waves with approximately equal amplitude in all forward directions
A. Always B. Never C. Only if ? >> a D. Only if a >> ? E. Only if a = ?