
Some questions about humidity and storing DVDs in a closed …
Jul 21, 2023 · If I have a dvd disk inside those plastic boxes suitable for dvd disks in black, if I have an electronic board inside a bag or papers inside any plastic bag and after that all of …
CD Players: How Do They Interfere? • Physics Forums
Nov 9, 2004 · The "reference beam" in the case of CDs and DVDs is the part of the laser beam that is reflected from the surface of the disk (aka the "land"). THe beam that goes into the pits …
Why is there a spectrum on the back of a CD or DVD?
Sep 22, 2011 · The spectrum observed on the back of a CD or DVD is a result of diffraction, where the tracks and sectors on the disc act as a diffraction grating. This phenomenon occurs …
What is v(dv/dx) and how does it relate to acceleration?
Mar 12, 2013 · The discussion centers on modeling acceleration using the expression v (dv/dx), which is derived from the chain rule in calculus. This formulation allows for the analysis of …
Question about plastic bags and humidity • Physics Forums
Dec 30, 2020 · Additionally, it was noted that DVDs are classified as MSL-1, meaning they are not significantly harmed by humidity. Recommendations included using airtight vacuum storage …
Kinematics equations: Prove that a=vdv/ds • Physics Forums
Dec 1, 2019 · We know that v=v (x, t) i.e. V is a function of time as well as space coordinate here I have only taken 1D motion for simplicity. By chain rule a=dv/dt=...
Question about whether UV light can penetrate a cardboard box
Aug 16, 2020 · Cardboard does not allow UV light to penetrate effectively; it either absorbs or reflects UV radiation from indirect sunlight. Items stored inside a closed cardboard box, such …
Is RealPlayer a Trojan or Trojan-like? • Physics Forums
Dec 5, 2009 · Pattonias said: Is there any particular reason you have to use RealPlayer? VLC media player doesn't have any of the controversy and plays movies/DVDs just fine and is also …
How does the mechanism of a dual layer DVD read the data from …
Mar 22, 2012 · Study "Optical physics: Depth of Field and its applications" Explore "How data is encoded and read on DVDs and CDs" Learn about "Opto-electronic devices and their role in …