Some questions about humidity and storing DVDs in a closed …
Jul 21, 2023 · This discussion centers on the effects of humidity on storing DVDs and electronic components in closed cardboard boxes. It highlights that moisture can enter these containers …
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 …
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 …
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 …
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 · The discussion centers on proving the equation a = v dv/ds, where a represents acceleration, v is velocity, and s is displacement. The participants clarify that velocity v is a …
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 …
How to load programs to computer without a CD or DVD drive.
Sep 19, 2013 · This discussion provides a comprehensive guide on how to load programs onto a laptop without a CD or DVD drive by creating and using ISO image files. Users can create an …
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 …
Rainbow light reflection on TV from my hand • Physics Forums
Jun 21, 2025 · The phenomenon of rainbow light reflection on a TV screen from a hand is primarily attributed to the TV acting as a diffraction grating. The white light reflected from the …