Created by StemPy LabA black body at radiates energy at a certain rate. If its temperature is raised to , its rate of radiation becomes how many times its earlier rate? ____
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← A ball thrown from level ground can land on the same spot when it is launched at either of two angles. At one angle its time of flight is 2 s, and at the other it is 3 s. Taking g = 10 m/s², the horizontal range, in metres, is ____.The shortest wavelength in the Lyman series of hydrogen is 91 nm. Using the Bohr model, the shortest wavelength in the Balmer series, in nanometres, is ____. →
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