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Results for light
Subject
Started by
Replies
Views
Does light actually travel at the speed of light?
JennyGracie
25
10781
How do we measure the energy of a photon?
mxplxxx
891
190277
If the Universe expanded more slowly, what would happen to light?
Harri
3
3169
Does light move at different speeds through different materials?
EvaH
14
5276
How would you calculate the distance from an LED light source?
BRTYERY
10
7586
Does a Crooke's Radiometer behave differently in an ultrahigh vacuum?
chris
7
2942
Efficiency of light as energy source?
scientizscht
11
5399
Does light have a weight?
katieHaylor
104
26720
How can I produce coloured flames in fire pit?
Nyxxie
4
12273
Which colour of light is hardest to see at night from a distance?
doninover
12
24914
Can you believe this photo of a single atom?
chiralSPO
11
4665
If atoms are mostly empty space, why is the Earth not transparent?
borachio54
4
3866
Is there a limit to how far light can travel?
katieHaylor
3
3240
Could you make a huge prism to disperse a light beam into different colours?
katieHaylor
3
3559
Why do we not see the beam of light from the Sun to the Moon?
colty72
2
7082
What causes light reflection?
alexashcroft
7
5663
Are light waves affected by gravity?
katieHaylor
5
3934
Is it dark because of the absence of light or it is dark because of its nature?
Nimmie
1
5560
Can fire cause electrons to flow in a solar cell?
Nimmie
2
3088
Is light through a window considered direct? Is glass not an obstruction?
mpl113
3
14380
Why does light bend when it travels between media of different densities?
katieHaylor
1
2577
Light - wave, particle or other?
katieHaylor
3
3137
What happens at the point of reflection?
katieHaylor
2
2861
Is visible light dependent on substance?
guest39538
203
37936
Can quantum spin of laser light be used to get data out of a black hole?
chris
5
3646
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