Electromagnetic Wave: Comparison of Properties

2. FORCE, MOTION
AND ENERGY
Code: S10FE-IIa-b
Quarter 2 Week 1

3. ELECTROMAGNETIC
SPECTRUM
Properties of
Electromagnetic Wave
Quarter 2 Week 1

4. Content Standard
The learner demonstrate an
understanding of the different
regions of electromagnetic
spectrum

5. LEARNING COMPETENCIES
Discuss the relative wavelengths and
frequencies of the different forms of
electromagnetic waves.
Compare the relative wavelengths and
frequencies of different forms of
electromagnetic waves.

6. FLASHBACK

7. FLASHBACK
crest
1.
2.trough
3. wavelength
4.
amplitude
λ

8. Electromagnetic Waves
•Accelerating electrons produce electromagnetic
waves
•These waves are a combination of magnetic field
and electric field

9. Electromagnetic Waves
• A changing magnetic field
produces an electric field
and a changing electric field
produces magnetic field
•Both electric field and
magnetic field oscillates
perpendicular to each other
and to the direction of wave

10. Electromagnetic Waves
• is a kind of transverse wave
•can travel through a medium,
even in an empty space
•Travels at the speed of light
• c = 3 X 108 m/s or
300,000,000 m/s

11. Electromagnetic Spectrum

12. Electromagnetic Spectrum
Wavelength ( )
in meters (m)
Radio wave > 1 X 10 -1
Microwave 1 X 10 -1 to 1 X 10 -3
Infrared 1 X 10 -3 to 7 X 10 -7
Visible light 7 X 10 -7 to 4 X 10 -7
Ultraviolet 4 X 10 -7 to 1 X 10 -8
X-ray 1 X 10 -8 to 1 X 10 -11
Gamma rays < 1 X 10 -11
λ

13. Electromagnetic Spectrum
Frequency (Hz)
Radio wave < 3 X 10 9
Microwave 3 X 10 9 to 3 X 10 11
Infrared 3 X 10 11 to 4 X 10 14
Visible light 4 X 10 14 to 7.5 X 10 14
Ultraviolet 7.5 X 10 14 to 3 X 10 16
X-ray 3 X 10 16 to 3 X 10 19
Gamma rays > 3 X 10 19

14. Electromagnetic Spectrum
Frequency (Hz)
< 3 X 10 9
3 X 10 9 to 3 X 10 11
3 X 10 11 to 4 X 10 14
4 X 10 14 to 7.5 X 10 14
7.5 X 10 14 to 3 X 10 16
3 X 10 16 to 3 X 10 19
> 3 X 10 19
Wavelength ( )
in meters (m)
Radio wave > 1 X 10 -1
Microwave 1 X 10 -1 to 1 X 10 -3
Infrared 1 X 10 -3 to 7 X 10 -7
Visible light 7 X 10 -7 to 4 X 10 -7
Ultraviolet 4 X 10 -7 to 1 X 10 -8
X-ray 1 X 10 -8 to 1 X 10 -11
Gamma rays < 1 X 10 -11
Energy (J)
< 2 X 10 -24
2 X 10 -24 to 2 X 10 -22
2 X 10 -22 to 3 X 10 -19
3 X 10 -19 to 5 X 10 -19
5 X 10 -19 to 3 X 10 -17
2 X 10 -17 to 2 X 10 -14
> 2 X 10 -14
λ
Let’s now COMPARE
INCREASING
or
DECREASIN
G
Decreasing Increasing Increasing

15. Electromagnetic Spectrum
λ
λ

16. Let’s Try

17. Let’s Try
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18. Let’s Try
Gamma rays, X-ray, Ultraviolet rays, Visible light, Infrared,
Microwave, Radio wave
1. Arrange the region of Electromagnetic
Spectrum based on increasing wavelength.
2. Arrange the region of Electromagnetic
Spectrum based on increasing frequencies and
energy.
Radio wave, Microwave, Infrared, Visible Light, Ultraviolet
rays, X-rays, Gamma Rays

19. Please be guided!

21. PREPARED BY:
Mr. Rowel V. Engreso
Science Teacher