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A question about notation in OPtics
Nov 28, 2010
Replies
5
Views
2K
Ray Type of Bulb Light Emission
Nov 28, 2010
Replies
4
Views
2K
Lens calculation problem (Optics)
Nov 27, 2010
Replies
5
Views
5K
How does circularly polarized light rotate a body?
Nov 26, 2010
Replies
16
Views
6K
Can light exert force on objects?
Nov 26, 2010
Replies
21
Views
23K
How efficient is a microwave oven
Nov 24, 2010
Replies
12
Views
35K
Why could we see a laser hologram?
Nov 24, 2010
Replies
5
Views
3K
Traveling at speed of light, and time.
Nov 24, 2010
Replies
4
Views
4K
Is Simplifying Snell's Law to n1θ1=n2θ2 Valid for Small Angles?
Nov 24, 2010
Replies
3
Views
3K
How Does Microwave Wattage Affect Standing Waves?
Nov 22, 2010
Replies
8
Views
7K
Can Diffraction Effects be Removed with an Interferometer?
Nov 22, 2010
Replies
1
Views
2K
Why don't we emit radio waves
Nov 22, 2010
Replies
19
Views
15K
How X-rays Compress Matter for Nuclear Fusion
Nov 22, 2010
Replies
2
Views
3K
Transmission, reflection, and absorbtion
Nov 21, 2010
Replies
2
Views
2K
What happens to the energy in case of destructive interference ?
Nov 21, 2010
Replies
6
Views
5K
Different ways to measure the speed of light experimentally ?
Nov 21, 2010
Replies
4
Views
16K
Can camera flashes really damage historical sites?
Nov 21, 2010
Replies
7
Views
2K
Total internal reflection mirror?
Nov 21, 2010
Replies
1
Views
3K
Unusual Color Effect of Laser Pointer on Red Plastic: A Scientific Investigation
Nov 20, 2010
Replies
9
Views
5K
Snells Law and refractive index
Nov 20, 2010
Replies
4
Views
4K
Is light really light outside the human brain?
Nov 20, 2010
Replies
2
Views
2K
Magnifying a display without compromising exit pupil
Nov 18, 2010
Replies
2
Views
3K
Can We Physically Detect Radio Waves?
Nov 18, 2010
Replies
4
Views
3K
What causes light to bend when passing the edges of objects?
Nov 17, 2010
Replies
36
Views
25K
How close can 2 coherent photons be?
Nov 17, 2010
Replies
5
Views
4K
Question about waves, maybe diffraction related
Nov 17, 2010
Replies
2
Views
2K
Ultraviolet Curing to Make Metal Stronger
Nov 17, 2010
Replies
1
Views
5K
Understanding the Mirror Formula: Actual Measurements vs Sign Convention
Nov 16, 2010
Replies
7
Views
4K
Is it possible that some galaxies we observe are reflections of our own?
Nov 16, 2010
Replies
1
Views
2K
If something emits visible light
Nov 15, 2010
Replies
1
Views
2K
Why can we see the light from a source from afar, but
Nov 15, 2010
Replies
1
Views
2K
Diffuse Reflection: How is it Computed?
Nov 15, 2010
Replies
6
Views
5K
Optical power lost at a pinhole
Nov 14, 2010
Replies
1
Views
2K
Light, photons, reflection and percentages
Nov 13, 2010
Replies
1
Views
2K
Mirror or Camera: Which is the Truest Reflection of Our Perception?
Nov 13, 2010
Replies
3
Views
4K
Phase change of reflected wave
Nov 13, 2010
Replies
6
Views
13K
Rutherford Scattering: Inverse Relationship Explained
Nov 13, 2010
Replies
6
Views
3K
What is the cause of reflection?
Nov 13, 2010
Replies
26
Views
24K
Why can AM radio waves travel over mountains while FM signals cannot?
Nov 12, 2010
Replies
4
Views
4K
Composition of the sun and spectrum of light
Nov 12, 2010
Replies
1
Views
4K
Why does light travel at the speed it does?
Nov 11, 2010
3
Replies
116
Views
38K
Detecting single photons - conceptual question
Nov 10, 2010
Replies
11
Views
5K
Faster than the speed of light
Nov 10, 2010
Replies
12
Views
5K
Lens shapes other than conic sections
Nov 10, 2010
Replies
2
Views
2K
Polar molecules like water Spin why?
Nov 9, 2010
Replies
2
Views
2K
Polarization and crystallography
Nov 8, 2010
Replies
6
Views
4K
Can a Radio Wave Camera Be Used to Track Wildlife in the Field?
Nov 7, 2010
Replies
5
Views
7K
Wavelength of photon in a medium
Nov 7, 2010
Replies
18
Views
4K
Why can't waves (light) be in two mediums at the same time?
Nov 7, 2010
Replies
2
Views
3K
Could the speed of light be variable?
Nov 6, 2010
Replies
4
Views
2K
Can Anomalous Dispersion Enhance Resonant Cavities for Solar Cell Applications?
Nov 5, 2010
Replies
4
Views
3K
How does polarization take place by reflection?
Nov 5, 2010
Replies
1
Views
4K
Radius of Photons? - Get Answers Here
Nov 5, 2010
Replies
2
Views
2K
Why Does the Angle of Refraction Change in Borosilicate Glass Experiments?
Nov 5, 2010
Replies
3
Views
4K
Tyndall vs Rayleight Light Scattering
Nov 4, 2010
Replies
2
Views
17K
What is the relationship between antenna tuning and photons emission by antenna?
Nov 3, 2010
Replies
10
Views
3K
Happy and excited beams of light
Nov 3, 2010
Replies
8
Views
3K
Lens that will make the rays parallel to each other
Nov 2, 2010
Replies
7
Views
2K
Why doesn't a biconvex lens cancel itself out and not change the light beam?
Nov 2, 2010
Replies
3
Views
2K
Why does red light travel faster than blue light in glass or water?
Nov 2, 2010
Replies
18
Views
12K
Rear View Mirrors: Objects Closer Than They Appear
Nov 2, 2010
Replies
43
Views
19K
Creating a Converging Lens for Sound Waves at the Exploratorium in San Francisco
Nov 2, 2010
Replies
1
Views
5K
Diffused Sun/Moon Reflection: Why Water Appears as Columns
Nov 2, 2010
Replies
5
Views
5K
Why does light bend when it passes through different mediums?
Nov 1, 2010
Replies
4
Views
16K
Effect of thickness of atmosphere on the incident light on land
Nov 1, 2010
Replies
3
Views
6K
Understanding Rayleigh Scattering: Why do Atoms Scatter Light?
Oct 31, 2010
Replies
2
Views
2K
How do we measure the frequency of light?
Oct 31, 2010
Replies
11
Views
17K
What is the Optimal Camera Distance for Photographing a Mirror Image?
Oct 31, 2010
Replies
4
Views
4K
Strange Optics Ques: photon capture and reprod
Oct 30, 2010
Replies
10
Views
3K
Do Photons Really Possess Mass?
Oct 30, 2010
Replies
15
Views
6K
Why is light reflected off road and water surfaces horizontally polarised?
Oct 30, 2010
Replies
17
Views
5K
Question about travel-time (or time-of-flight)
Oct 29, 2010
Replies
3
Views
2K
Capillary action for non-polar substances?
Oct 29, 2010
Replies
4
Views
9K
Does Carrying an Umbrella Increase Your Chances of Being Struck by Lightning?
Oct 28, 2010
Replies
9
Views
22K
Magnification; What's focal point
Oct 28, 2010
Replies
2
Views
3K
Photons reflecting off mirrors, wheres the flaw?
Oct 26, 2010
Replies
15
Views
6K
About diffraction (conceptual problem)
Oct 26, 2010
Replies
2
Views
2K
Are there any chemical reactions that can generate radio waves?
Oct 26, 2010
Replies
5
Views
6K
Can a Surface be Designed to Reflect Light Horizontally?
Oct 25, 2010
Replies
3
Views
4K
Diffraction & Grating: Uses in Everyday Life
Oct 25, 2010
Replies
4
Views
6K
Squinting at light bulbs, what are those lines?
Oct 23, 2010
Replies
5
Views
22K
Phenomena of reflection of light
Oct 22, 2010
Replies
29
Views
12K
Paraxial Rays: Definition & Diagrams
Oct 21, 2010
Replies
1
Views
4K
Why do we measure the angle of incidence or reflection
Oct 19, 2010
Replies
2
Views
3K
When two Lasers meet what happens
Oct 19, 2010
Replies
1
Views
3K
Is there such thing as infinite magnitude of velocity?
Oct 19, 2010
Replies
3
Views
2K
How Does Bisecting a Lens Affect Its Focal Length?
Oct 18, 2010
Replies
4
Views
10K
How to measure the Intensity of Light?
Oct 18, 2010
Replies
31
Views
89K
Can photons be accelated or do they always travel at one speed (speed of light)?
Oct 18, 2010
Replies
25
Views
20K
Diffraction plane & image plane
Oct 18, 2010
Replies
1
Views
4K
Superposition principle in arbitrary medium
Oct 16, 2010
Replies
3
Views
2K
How come light only reflects off surfaces and not internal planes?
Oct 15, 2010
Replies
5
Views
2K
What is the actual cause of refraction?
Oct 14, 2010
Replies
2
Views
2K
Harnessing Sunlight Indoors for Sustainable Gardening
Oct 13, 2010
Replies
7
Views
2K
Collimate Light from Mercury Arc Bulb for 5cm Circular Beam
Oct 13, 2010
Replies
10
Views
16K
Applying Huygens's principle to light propagation
Oct 11, 2010
Replies
2
Views
4K
Clarification of White Light/Superposition
Oct 10, 2010
Replies
3
Views
4K
Can We Store Lightning Energy?
Oct 9, 2010
Replies
34
Views
18K
How to calculate laser thrust?
Oct 9, 2010
Replies
17
Views
6K
Can a Tower Emit Light by Changing its Frequency to Match Visible Light?
Oct 9, 2010
Replies
5
Views
3K
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