What causes spherical aberration?
A. the lens surface is not perfectly smooth
B. the outer edges of the lens produce a focus at a different point than the central rays
C. light is an electromagnetic wave with intrinsic diffraction properties
D. the absorption of light in the glass is a function of wavelength
B. the outer edges of the lens produce a focus at a different point than the central rays
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In Ptolemy's view of the universe, a planet moves on an epicycle whose center moves around the Earth on the deferent circle
a. Correct b. FALSE; Ptolemy put the Sun at the center. c. FALSE; The planet stays on the deferent circle. d. FALSE; The Earth is at the center of the epicycle. e. FALSE; Both c and d are correct.
In what way is Venus most similar to Earth?
A) Both planets are nearly the same size. B) Both planets have very similar atmospheres. C) Both planets have similar surface geology. D) Both planets have warm days and cool nights.
X-rays from astronomical objects can only be detected from telescopes in space
Indicate whether the statement is true or false
A 29.0 pm wavelength photon is scattered by a stationary electron. The maximum energy loss of the photon is closest to:
A) 4 KeV B) 6 KeV C) 10 KeV D) 12 KeV E) 15 KeV