OBJECTIVES:

a. Name the colors of white light.

b. Compare the frequency and wavelength of the different colors of white light.

c. Relate the color’s wavelength to its frequency.

II. PROCEDURE: Analyze the table about light’s wavelength and frequency then answer the

questions that follow.

COLORS

WAVELENGTH

Nanometer(nm)

FREQUENCY

Terahertz(THz)

PHOTON ENERGY

electronvolt (eV)

VIOLET

380-450 nm

668-789 THz

2.75-3.26 eV

BLUE

450-495 nm

606-668 THz

2.50-2.75 eV

GREEN

495-570 nm

526-606 THz

2.17-2.50 eV

YELLOW

570-590 nm

508-526 THz

2.10-2.17 eV

ORANGE

590-620 nm

484-508 THz

2.00-2.10 eV

RED

620-750 nm

400-484 THz

1.65-2.00 eV

Q1: What are the different colors of white light?

A. _______________________________

D.__________________________________

B. _______________________________

E.___________________________________

C. _______________________________

F.___________________________________

Q2: Supply the table with the correct information.

WAVE CHARACTERISTICS

COLOR

A. HIGHEST FREQUENCY

B. LOWEST FREQUENCY

C. LONGEST WAVELENGTH

D. SHORTEST WAVELENGTH

Q3: Based from the answer in Q2 relate the wavelength of the color to its frequency and

energy.___________________________________________________________________________________
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