Physics, 02.01.2020 22:31 djohnson11461
Two point sources, vibrating in phase, produce an interferencepattern in a ripple tank. if the frequency is increased by 20%, thenumber of nodal lines:
a) is increased by 20%
b) is increased by 40%
c) remains the same
d) is decreased by 20%
e) is decreased by 40%
Answers: 1
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Which is the most accurate name for the covalent compound p2o3?
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Cyclotrons are widely used in nuclear medicine for producing short-lived radioactive isotopes. these cyclotrons typically accelerate h- (the hydride ion, which has one proton and two electrons) to an energy of 5 mev to 20 mev. this ion has a mass very close to that of a proton because the electron mass is negligible—about 1 2000 of the proton’s mass. a typical magnetic field in such cyclotrons is 1.9 t. (a) what is the speed of a 5.0-mev h-? (b) if the h- has energy 5.0 mev and b = 1.9 t, what is the radius of this ion’s circular orbit?
Answers: 1
Two point sources, vibrating in phase, produce an interferencepattern in a ripple tank. if the frequ...
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