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Results for light
Subject
Started by
Replies
Views
Does light actually travel at the speed of light?
JennyGracie
25
10599
How do we measure the energy of a photon?
mxplxxx
880
186505
If the Universe expanded more slowly, what would happen to light?
Harri
3
3154
Does light move at different speeds through different materials?
EvaH
14
5200
How would you calculate the distance from an LED light source?
BRTYERY
10
7558
Does a Crooke's Radiometer behave differently in an ultrahigh vacuum?
chris
7
2931
Efficiency of light as energy source?
scientizscht
11
5319
Does light have a weight?
katieHaylor
104
26369
How can I produce coloured flames in fire pit?
Nyxxie
4
12131
Which colour of light is hardest to see at night from a distance?
doninover
12
24659
Can you believe this photo of a single atom?
chiralSPO
11
4631
If atoms are mostly empty space, why is the Earth not transparent?
borachio54
4
3830
Is there a limit to how far light can travel?
katieHaylor
3
3200
Could you make a huge prism to disperse a light beam into different colours?
katieHaylor
3
3534
Why do we not see the beam of light from the Sun to the Moon?
colty72
2
7031
What causes light reflection?
alexashcroft
7
5634
Are light waves affected by gravity?
katieHaylor
5
3898
Is it dark because of the absence of light or it is dark because of its nature?
Nimmie
1
5505
Can fire cause electrons to flow in a solar cell?
Nimmie
2
3058
Is light through a window considered direct? Is glass not an obstruction?
mpl113
3
14299
Why does light bend when it travels between media of different densities?
katieHaylor
1
2563
Light - wave, particle or other?
katieHaylor
3
3091
What happens at the point of reflection?
katieHaylor
2
2844
Is visible light dependent on substance?
guest39538
203
37594
Can quantum spin of laser light be used to get data out of a black hole?
chris
5
3630
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