dane:
1 eV = 1,6 *10⁻¹⁹ J
W = 5 eV = 5 *1,6 *10⁻¹⁹ J = 8 *10⁻¹⁹ J
h = 6,63 * 10⁻³⁴ J
szukane:
f min = ?
W = h*f/h I*h
f min = W/h
f min = 8*10⁻¹⁹/(6,63*10⁻³⁴)
f min = 1,2 *10¹⁵ Hz
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dane:
1 eV = 1,6 *10⁻¹⁹ J
W = 5 eV = 5 *1,6 *10⁻¹⁹ J = 8 *10⁻¹⁹ J
h = 6,63 * 10⁻³⁴ J
szukane:
f min = ?
W = h*f/h I*h
f min = W/h
f min = 8*10⁻¹⁹/(6,63*10⁻³⁴)
f min = 1,2 *10¹⁵ Hz
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