A sphere has a radius of 2.70x102 m. This perfectly emitting sphere glows an orange-ish color and is found to have a peak black-body wavelength of 780. nm. Answer the five parts below, using three significant figures as appropriate. ▼ Part A - What is the temperature, T, of the sphere in Kelvin? T = Submit A = 17 ΑΣΦ Submit Part B - What is the surface area, A, of the sphere? Request Answer ΠΙΑΣΦ Request Answer OF ? ΠΙ ΑΣΦ ? Part C - What is the amount of power, P, radiated by the sphere? K ? m²

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de Broglie Equation

The sketch of matter waves is drawn below: