Discuss a similarity and a difference between the spectrum formed by a diffraction grating (a large number of slits) and that formed by just a double slit
What will be an ideal response?
The maxima of both satisfy d sin(?) = n?, but the fringes formed by the grating are much sharper (narrow).
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Very massive stars lose their outer layers in a planetary nebula
a. True b. False Indicate whether the statement is true or false
According to today's classification system, how many major planets are there in the solar system?
a. 10 b. 9 c. 8 d. 11
Liquid crystal displays (LCDs) make use of the wave phenomenon called ______________
Fill in the blank(s) with correct word
Detailed mapping of the ocean floors revealed
A) huge mountain ranges beneath the oceans. B) deep trenches near some of the continents. C) that the oceans are equally deep at all locations. D) huge mountain ranges on the ocean floor, and deep trenches near some of the continents.