# PHYSICS

posted by .

Light waves are electromagnetic waves that travel at 3.00 108 m/s. The eye is most sensitive to light having a wavelength of 5.50 10-7 m.
(a) Find the frequency of this light wave.
__________ Hz

(b) Find its period.
_______________ s

• PHYSICS -

a. F=V/L=3*10^8/5.5*10^-7=5.45*10^14 Hz.

b. P=1/F = 1/5.45*10^14=1.833*10^-15 s.

• PHYSICS -

555

## Similar Questions

1. ### Physics

Light is an electromagnetic wave and travels at a speed of 3.00 108 m/s. The human eye is most sensitive to yellow-green light, which has a wavelength of 5.58 10-7 m. What is the frequency of this light?
2. ### Astronomy

Based on what you learned about light, select all of the correct statements from the following list. The only type of electromagnetic radiation that is actually considered light is visible light. High frequency photons carry more energy …
3. ### Physics

Radio waves are electromagnetic waves that travel at a speed of 3.00 108 m/s, the speed of light. An AM radio station has an assigned frequency of 1350 kHz, which means that the radio waves broadcast by the station are at this frequency. …
4. ### Physics

Which of the following is correct for the two coherent light waves to produce zero light?
5. ### physics

light is an electromagnetic wave and travels at a speed of 3.00 x 108 m/s. the human eye is most sensitive to yellow-green light which has a wavelength of 5.45 x 10-7 m. what is the frequency of this light?
6. ### physiiics

Which of the following is correct for the two coherent light waves to produce zero light?
7. ### Physics

Which of the following is correct for the two coherent light waves to produce zero light?
8. ### Science

1.The images above show particles in a medium. Which of the following shows the worst conditions for a sound wave to travel?
9. ### physics

Light is an electromagnetic wave and travels at a speed of 3.00 × 10^8 m/s. The human eye is most sensitive to yellow-green light, which has a wavelength of 5.72 × 10^-7 m. What is the frequency of this light?
10. ### Physics

What is stimulated emission? a. the process of distinguishing between sources of electromagnetic waves. b. the process of reducing mechanical waves' energy. c. the process of amplifying sound waves. d. producing move light waves which

More Similar Questions