An electron is moving with the speed of 1780 m/s. What is its de Broglie wavelength?
A) 409 nm
B) 302 nm
C) 205 nm
D) 420 nm
E) 502 nm
A
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The effect of tripling the size of a telescope's primary mirror is to triple its resolving power.
Answer the following statement true (T) or false (F)
The neutron decays into a proton, electron, and an electron antineutrino. Into what does the antineutron decay?
A. a proton, positron, and electron antineutrino B. an antiproton, positron, and electron neutrino C. a proton, electron, and electron antineutrino D. an antiproton, electron, and electron neutrino E. an antiproton, electron, and electron antineutrino
A temperature of –65 Kelvin is equivalent to _____ degrees Fahrenheit
a. –576.7 b. 208.0 c. –53.9 d. –338.0
Which of the following orderings of atmospheric layers is correct as one moves from the Earth's surface through the atmosphere?
What will be an ideal response?