Which of the following is a metal?
A.
iron (Fe)
B.
sodium (Na)
C.
...
Physics, 21.10.2020 19:01 jordynsmith02
Which of the following is a metal?
A.
iron (Fe)
B.
sodium (Na)
C.
calcium (Ca)
D.
all of these
Answers: 2
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Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?
Answers: 2
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How many neutrons does plutonium -196 with an atomic number of 78.
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During cooling, the kinetic energy of the molecules falls. why does this happen? a. the motion of the molecules increases. b. the motion of the molecules slows down. c. the van der waals forces between molecules decrease d. the forces of attraction between the molecules are overcome.
Answers: 2
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