Which portion of the electromagnetic spectrum is used in a microscope?
a) infrared waves
b) X rays
c) visible light
d) ultraviolet light
Ans: c) visible light
Physics & Space Science
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Atomic Nucleus: Name the first three isotopes of hydrogen, write their symbols in standard notation, and indicate which one is the most common and which one is the most unstable.
What will be an ideal response?
Physics & Space Science
As of 2008, most known extrasolar planets have been discovered by
A) the astrometric technique. B) the Doppler technique. C) the transit technique. D) the Hubble Space Telescope.
Physics & Space Science
Describe two observational tests that support general relativity
What will be an ideal response?
Physics & Space Science
The person who first explained the blackbody spectrum was __________
Fill in the blank(s) with correct word
Physics & Space Science