Explain the difference between spontaneous emission and stimulated radiation.
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Cite a primary difference between waves of solar radiation and waves of terrestrial radiation.
Estimate the peak wavelength for radiation emitted from (a) ice at 0ยฐC, (b) a floodlamp at 3100 K, (c) helium at 4 K, assuming blackbody emission. In what region of the EM spectrum is each?
Choose the statement(s) that is/are true about gammaemission.-Gamma emission is the result of a nucleus falling form a highenergy level to a low energy level.-Gamma radiations are high energy electromagnetic radiations.-The emission of a gamma radiation results in a daughter elementtwo units less in atomic number and four units less in massnumber.-Gamma radiations can be stopped by a thin layer of paper.