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dusya [7]
3 years ago
11

Based on the spectrum observed for incandescent white light, rank the colors in the visible spectrum from highest energy to lowe

st energy

Chemistry
1 answer:
SOVA2 [1]3 years ago
8 0

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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