The mass of an atom of carbon-12 (Z = 6) is less than the mass of 6 protons and 6 neutrons because of binding energy
Indicate whether the statement is true or false
T
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The heaviest element created in the big bang, in tiny amounts, is _______________
Fill in the blank(s) with correct word
A uniform 135-g meter stick rotates about an axis perpendicular to the stick passing through its center with an angular speed of 3.50 rad/s. What is the magnitude of the angular momentum of the stick?
A) 0.0739 kg ? m2/s B) 0.0394 kg ? m2/s C) 0.158 kg ? m2/s D) 0.0236 kg ? m2/s E) 0.473 kg ? m2/s
Compared with protons, neutrons are more effective nuclear bullets in nuclear reactions since they have
A) slightly greater mass than a proton. B) no charge. C) a wider cross-section than a proton. D) all of the above E) none of the above
In the relativistic case, doubling the speed of an electron causes its wavelength to
A) double. B) more than double. C) halve. D) decrease to less than one-half. E) quadruple.