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1 vote
2 answers
179 views

Can the colors of white light be separated through reflection alone?

Can the colors of white light be separated through reflection alone? My answer to this is no since if we want to separate the colors, we use prism and when light passes through a prism, the dispersion ...
Jordan G's user avatar
0 votes
2 answers
635 views

What is the smallest value of the incident angle in Bragg's law?

The title of my question basically is what I want to know. In Bragg's law, $nλ = 2 d \sin{\theta}$, if we want to find, let's say, $d$, and know only $\lambda$ and $n$, but not $\theta$, what could be ...
PhO's user avatar
  • 43
16 votes
4 answers
3k views

Reverse of diffraction

Can we arrange a practical in such a way that the dark and bright bands in diffraction grating be allowed to pass through the same slit to get the original light (i.e the incident light before ...
Syed Hasnain Ahmed's user avatar
0 votes
2 answers
2k views

Radio wave behaviour in reflection, Refraction and Diffraction

I am trying to understand how radio waves behave when reflected, refracted and diffracted. I have put together a list based on light which I think will be the same. Can anyone tell me the behaviour of ...
James Carlyle-Clarke's user avatar
3 votes
1 answer
211 views

Pink on LCD screens, how is it possible? [closed]

On the LCD screens a flash makes 2 strips of color, 2 strips of white light, and a rainbow colored strip. This latest has weirdly a pink color in it. How is it possible? The pink color is not part of ...
Kush's user avatar
  • 39
1 vote
1 answer
178 views

Reflective angles from a CD [closed]

How do I estimate the diffraction angles of laser light which illuminates a CD? Does the storage capacity have an impact? Theories I have considered are: refraction diffraction $\sin(\theta)=\frac \...
darren's user avatar
  • 107
1 vote
1 answer
731 views

Why light rays gets scattered when it enters a translucent window pane?

Consider the light source is the light post, outside the window of my house (Pic 1). When the rays from the light post enters through the window pane which is translucent gets scattered and forms a ...
Nilay Ghosh's user avatar
  • 1,273
3 votes
2 answers
565 views

Photons-Wave/particle duality

I know that photons and electrons and such are said to have a wave particle duality, but what does that mean for a photon? When light strikes an object, are many photons emitted, enough to draw ...
user avatar
0 votes
1 answer
2k views

reflection, refraction and diffraction occur in radio waves, which one occurs the most?

One of the things about Radio waves is that they undergo different behaviors such as reflection, refraction and diffraction when in contact with obstacles such as walls, buildings etc. what i want to ...
Charming Prince's user avatar