Physical Science 7.3b - Light Waves Part 1
Loading...
Uploader Comments (derekowens)
All Comments (32)
-
what kind of accent is this?
-
But if a wave needs a medium, then how can radio waves travel across the space?
-
your such an amazing teacher! It is your truly a gift of yours.
This is what makes this great:
1. Great explanation, clear and precise-good pronunciation
2. Great examples -familiar and real life examples
3. Great illustrations- simple and understandable
Thank you!
-
Say, The farther the sound wave comes from the longer the wave and the frequency is lower? I mean like a moving car playing music, the pitch changes when it moves towards you and from you. That's why in the sea for example Dolphins use very hight frequency to communicate with each other? The sound wave that travels becomes longer and looses it's strengh? But is it with Light and Radio waves?
-
@derekowens Of course light is pressure
-
Radio = electromagnetic wave.
Sound = oscillation of pressure.
Frequency is just a measurement.
2:58
Physical Science 7.3c - Light Waves Part 2by derekowens11,795 views- 36:42
PHYS 101/102 #1: Electromagnetic Wavesby CornellUniversity69,561 views
- 10:32
HOLY GRAIL of Physics Discovered!by Blurns32,146 views
- 2:56
Is the Electron a Wave or a Particle?by tonymang211,888 views
- 4:44
Physics 11.1.3a - Spherical and Parabolic Mirrorsby derekowens36,232 views
- 4:32
Physical Science 7.3a - The Nature of Lightby derekowens18,547 views
- 6:02
Wave Nature of Lightby MrWelchko8,402 views
- 7:47
Physical Science 7.5a - Nuclear Fission - Part 1by derekowens11,159 views
- 6:43
Physical Science 9.2a - The Earth Moon Sun Systemby derekowens269,457 views
- 9:18
The Most IMPORTANT Video You'll Ever See (part 1 of 8)by wonderingmind424,008,494 views
- 5:25
Physical Science 6.8c - The Motor Effectby derekowens15,734 views
- 9:05
Physical Science 6.7b - Magnets and Magnetic Domainsby derekowens10,906 views
- 6:19
Physical Science 6.8b - Magnetic Force on Moving Chargeby derekowens21,142 views
- 8:15
Physical Science 7.4g - Ernest Rutherfordby derekowens17,973 views
- 8:08
Physical Science 7.3h - Atoms Absorb and Emit Lightby derekowens7,420 views
- 8:16
Physical Science 7.5d - Fission Reactorsby derekowens5,679 views
- 7:38
Physical Science 10.2c - The Structure of the Sunby derekowens4,745 views
- 2:16
Physics 11.1.1b - The Law of Reflectionby derekowens27,568 views
- 6:12
Physical Science 6.8d - The Generator Effectby derekowens9,404 views
- 2:14
Physical Science 7.4d - A typical radioactive decayby derekowens5,192 views
And about Sea and Speaker waves: The sea wave goes up-down and the speaker: forward-back?
MrGeneralRelativity 4 months ago
@MrGeneralRelativity Yes, the speaker moves forward and back, but a wave on the surface of the water is really a combination of up-down motion and forward-back motion.
derekowens 4 months ago
About Middel C: The fundamental frequency is 256, there are also other frequencues in this sound called middle C. The wave with only one frequency called a Sine wave.
MrGeneralRelativity 4 months ago
@MrGeneralRelativity Yes, that is correct! And exactly how the various frequencies combine and at what amplitude will vary from one instrument to another. That is why middle C sounds different on a piano than on a violin or other instrument.
derekowens 4 months ago