Based on the spectrum observed for incandescent white light, rank the colors in the visible spectrum from highest energy to lowe
st energy
1 answer:
Answer:
See below.
Step-by-step explanation:
An incandescent lamp produces all colours of the visible spectrum, with wavelengths ranging from approximately 400 nm (violet) to 700 nm (red).
Since <em>energy is inversely proportional to wavelength</em>,
E ∝ 1/λ
a quantum of 400 nm violet light has more energy than one of 700 nm red light.
An incandescent lamp produces a relatively small amount of the high-energy blue/violet light ( see image below).
The table below gives the colours in the visible spectrum, ranked from highest to lowest energy.
<u>Colour λ/nm </u>
Violet 400 – 450
Blue 450 – 490
Cyan 490 – 520
Green 520 – 560
Yellow 560 – 590
Orange 590 – 635
Red 635 – 700
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