Recent questions in Visible Light

+10 votes

0 answers

What is the effect of red light on collagen production? Does it reduce collagen production like blue light from LED lights or lasers?

asked Mar 19, 2023 in Visible Light by QuantumHarmony

+21 votes

0 answers

How can something travel faster than light in dense medium (for example, in water) and what is the maximum speed in water?

asked Mar 19, 2023 in Visible Light by Rowdey

+103 votes

0 answers

Can light bend without changing its speed?

asked Mar 19, 2023 in Visible Light by Ben W

+16 votes

0 answers

Electronic light sometimes should be light. Why is it hot?

asked Mar 19, 2023 in Visible Light by yellneigh

+21 votes

0 answers

Why does an absorption spectrum of light exist? Why do excited electrons do not re-emit photons of the same energy and as such re-fill the absorption lines?

asked Mar 18, 2023 in Visible Light by Old Time spark

+14 votes

0 answers

I want the solution of this physics question. Question A monochromatic light ray of 40GHz in water is incident on the water-air interface (the water index being n=1.33). What is the critical angle for total reflection?

asked Mar 18, 2023 in Visible Light by prince

+2 votes

0 answers

What are the consequences of looking at the light for too long?

asked Mar 18, 2023 in Visible Light by NebulaOracle

+164 votes

0 answers

Phosphorescent (or fluorescent) fluids/materials absorb some of the visible and UV light from the sun and emits it once in the dark. How many percent of light does these materials absorb and emit?

asked Mar 18, 2023 in Visible Light by UnicornHills

+8 votes

0 answers

How would a light beam bent by gravity be different from a light beam that travelled through an empty void?

asked Mar 18, 2023 in Visible Light by EmberHarmony

+8 votes

0 answers

If we could see with x-rays instead of visible light, if that was our nature, would we see each other as skeletons?

asked Mar 18, 2023 in Visible Light by SGM18

+23 votes

0 answers

If light is a form of energy, can it observe itself?

asked Mar 18, 2023 in Visible Light by plugwash

+13 votes

0 answers

What is the most dangerous type of light that we can't see?

asked Mar 18, 2023 in Visible Light by PeteAx

+21 votes

0 answers

How many colors make up natural light such as sunlight or moonlight?

asked Mar 18, 2023 in Visible Light by hoss

+284 votes

0 answers

What are the effects of blue light from phones on the eyes?

asked Mar 17, 2023 in Visible Light by robj26

+4 votes

0 answers

Have you ever used "Blue Light" glasses, designed specifically for blocking blue light contrast causes from computers, laptops and phone screens?

asked Mar 17, 2023 in Visible Light by tobydog

+24 votes

0 answers

What is a flash of light in the sky called?

asked Mar 17, 2023 in Visible Light by gerardkoepp

+62 votes

0 answers

How do I know if a UV-C light installed in kids’ school produces ozone? Meter? Label? TIA

asked Mar 17, 2023 in Visible Light by Darren1982

+89 votes

0 answers

What happens when light passes through a diamond?

asked Mar 17, 2023 in Visible Light by hoss

+7 votes

0 answers

What is the color of a cool white light bulb?

asked Mar 17, 2023 in Visible Light by diymechanicalguy

+15 votes

0 answers

How do you focus light using only curved mirrors?

asked Mar 17, 2023 in Visible Light by Barry Doyling

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Recent questions in Visible Light

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