Dispersion occurs in a medium because
a. the index of refraction depends on wave amplitude.
b. of regular reflection.
c. of diffuse reflection.
d. the index of refraction depends on the wavelength.
d
Physics & Space Science
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The ideal shape for the primary mirror of a telescope is
a. concave circular b. convex circular c. concave parabolic d. convex parabolic e. plane
Physics & Space Science
ABS is a(n) _________of PAN, BR, and PS.
Fill in the blank(s) with the appropriate word(s).
Physics & Space Science
Just as "gravity" is the study of a wide range of gravitational interactions, "electricity" is the study of a wide range of
A) electrical charges. B) electrical forces. C) electrical interactions. D) none of the above
Physics & Space Science
The atomic number equals the number of protons in a nucleus
a. True b. False Indicate whether the statement is true or false
Physics & Space Science