If a dull metal surface is assumed to be nonreflecting and its absorptivity is 0.65, determine its transmissivity.
What will be an ideal response?
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A series LC circuit contains a 100-mH inductor, a 36.0-mF capacitor and a 12-V battery. The frequency of the electromagnetic oscillations in the circuit is
A. 5.73 × 10?4 Hz. B. 9.55 × 10?3 Hz. C. 0.442 Hz. D. 2.65 Hz. E. 44.0 Hz.
The temperature of water rises when 2.00 calories are added. It will rise the same when
A) 4.19 J are added. B) 8.38 J are added. C) 83.4 J are added.
Nuclear Binding Energy: A fusion reaction releases energy because the binding energy of the resulting nucleus
A. is greater than the binding energy of the original nuclei. B. is equal to the binding energy of the original nuclei. C. is less than the binding energy of the original nuclei. D. is released in the process. E. is absorbed in the process.
What kind of a telescope would have to be put in space to be effective?
a) optical b) radio c) reflecting d) X-ray e) refracting