Recent questions in Visible Light

+14 votes

0 answers

Is there a reason why some houses never turn off their porch light even if its nighttime outside?

asked May 10, 2023 in Visible Light by elecstick

+139 votes

0 answers

Do all light sources have some form of radiation?

asked May 10, 2023 in Visible Light by LuminousPulse

+23 votes

0 answers

What is the difference between something made out of atoms and something made out of light?

asked May 10, 2023 in Visible Light by austin Powers

+17 votes

0 answers

If light slows down when changing mediums, such as air into glass, how does it gain energy to speed up again when it comes out of the glass?

asked May 10, 2023 in Visible Light by Ken C

0 votes

0 answers

What would happen if we pointed a camera directly into the path of a light beam which is taking slow motion film of the light? Would we actually see the light travel towards us (the camera) then what is carrying that information?

asked May 10, 2023 in Visible Light by oaksnorton

+7 votes

0 answers

If an electron in the ground state absorbs energy from a light source, what happens to it?

asked May 10, 2023 in Visible Light by PCPlod

+20 votes

0 answers

Does the moon have its own light?

asked May 10, 2023 in Visible Light by RadiantVerse

+5 votes

0 answers

How deep does light penetrate water (fresh vs salt)?

asked May 10, 2023 in Visible Light by CelestialEcho

+16 votes

0 answers

If a light k is on, 2k and 2k+1 are also on. Consider light k=1 being on. How do I prove by induction that all other lights are on?

asked Apr 20, 2023 in Visible Light by eightyboot

+6 votes

0 answers

What is a light fixture?

asked Apr 20, 2023 in Visible Light by RadiantVoyage (2.1k points)

+26 votes

0 answers

When someone flashes a torch light into our face our eyes close. Why?

asked Apr 20, 2023 in Visible Light by aptsandal

+54 votes

0 answers

How does light behave as either particles or waves? Can we explain this behavior using one experiment?

asked Apr 20, 2023 in Visible Light by P J Thompson

+91 votes

0 answers

What is coherent light and non-coherent light?

asked Apr 20, 2023 in Visible Light by QuantumHorizon

+309 votes

0 answers

What is the light source in the Andromeda Galaxy? How bright would it be?

asked Apr 20, 2023 in Visible Light by Need a bigger hammer

+26 votes

0 answers

Which colour of light has the highest speed?

asked Apr 20, 2023 in Visible Light by bikingliberated

+95 votes

0 answers

What color does green light absorb?

asked Apr 19, 2023 in Visible Light by Richard Allan

+17 votes

0 answers

If light behaves as waves and waves need medium to propagate, then how could light travel in a vacuum?

asked Apr 19, 2023 in Visible Light by NebulaKnight

+6 votes

0 answers

Why can't sound travel as fast as light?

asked Apr 19, 2023 in Visible Light by billhicks

+256 votes

0 answers

Does a shadow have its own shadow?

asked Apr 19, 2023 in Visible Light by RadiantNova

+6 votes

0 answers

What happens to light when it passes through a magnet?

asked Apr 19, 2023 in Visible Light by Denis6482

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