All Questions
8
questions
2
votes
0
answers
35
views
Apparent position of object in bowl of water
Say you have a bowl of water and you keep an object in it. What would the apparent position of an object inside the bowl from the position of an outside observer? Will the curvature of the spherical ...
- 187
0
votes
1
answer
113
views
What if water had negative index of refraction
I was reading a book of mine that states that if water had a negative index of refraction then we'd see fish suspended in air. Why? Should not we see still it in water but far away respect to its real ...
-1
votes
1
answer
205
views
Factors affecting Refractive index
I have a doubt that with increase in temperature the refractive index is decreasing but refractive index of ice is lower than water????
0
votes
0
answers
19
views
Consider 4 cases of water droplet, ie when water droplet is in sea, in glass, in air after rain, as humidity?
When water droplet is in air as water vapours it scatters blue light, after rain by refraction dispersion and TIR it forms rainbow , in sea it scatters blue light while water in glass ( drinking ...
- 159
1
vote
0
answers
63
views
Why do objects appear larger in water? [duplicate]
Why does it look bigger when we see something in the water?
- 11
2
votes
1
answer
547
views
What causes these diamonds in water droplets on a screen?
It was raining yesterday and the screen of my iPad ended up covered in varying sized water droplets.
As you can see, the smallest water droplets look transparent, and then as the size increases the ...
- 889
4
votes
1
answer
1k
views
Under water light reflection of air in a cup vs water in a cup
The last time I was on vacation I was drinking on the swimming pool, and after I was finished with the drinks I started playing with the 2 plastic cups I had, and noticed that the air produces a ...
- 141
3
votes
1
answer
6k
views
How does infrared light behave through water?
I have a project involving the detection of the presence of water in a cylindrical transparent plastic container (diameter=25cm)
And I cannot put any device inside, so I was thinking of using and IR ...
- 129