Which design is subject to chromatic aberration?
A) refractor
B) prime focus reflector
C) Newtonian reflector
D) Cassegrain reflector
E) Gregorian reflector
A
Physics & Space Science
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Most of the modern large optical telescopes are refractors.
Answer the following statement true (T) or false (F)
Physics & Space Science
The element that is the second most abundant in Earth's crust is
a. oxygen. b. iron. c. nitrogen. d. silicon.
Physics & Space Science
When an electron is formed from a gamma ray collision, a positron is also made
Indicate whether the statement is true or false
Physics & Space Science
Applying E = hf to photon emission from an atom, the symbol E represents the energy
A) of the emitted photon. B) difference between atomic energy levels producing the photon. C) both of these D) neither of these
Physics & Space Science