Particles composed of quarks are
a. photons.
b. leptons.
c. neutrinos.
d. W and Z bosons.
e. baryons and mesons.
e
Physics & Space Science
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Light of wavelength 687 nm is incident on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from the center of the diffraction pattern?
A) 0.39 m B) 0.47 m C) 0.93 m D) 1.1 m E) 1.9 m
Physics & Space Science
If a sound level increases by 30 dB, the intensity increases by a factor of ______________
Fill in the blank(s) with correct word
Physics & Space Science
State the relationship between the frequency and the period of a wave
Physics & Space Science
The Copernican model did not need to make use of epicycles
a. True b. False Indicate whether the statement is true or false
Physics & Space Science