Why is the wavelength of light used to read data on DVD's smaller than the minimum pit length? - Quora
![Amazon.com: Pick-Up Laser SF-P101 16 Pin Optical Pick-Up Laser Lens with Mechanism for CD DVD Player : Electronics Amazon.com: Pick-Up Laser SF-P101 16 Pin Optical Pick-Up Laser Lens with Mechanism for CD DVD Player : Electronics](https://m.media-amazon.com/images/I/71IYhB1Au4L.jpg)
Amazon.com: Pick-Up Laser SF-P101 16 Pin Optical Pick-Up Laser Lens with Mechanism for CD DVD Player : Electronics
![SOLVED:The data encoded on CDs, DVDs, and Blu-ray discs is read by lasers. What is the wavelength in nanometers and the energy in joules of the following lasers? (a) CD laser, ν=3.85 × SOLVED:The data encoded on CDs, DVDs, and Blu-ray discs is read by lasers. What is the wavelength in nanometers and the energy in joules of the following lasers? (a) CD laser, ν=3.85 ×](https://cdn.numerade.com/previews/a825c62e-23a6-4ae2-ad25-222413b5e32f_large.jpg)
SOLVED:The data encoded on CDs, DVDs, and Blu-ray discs is read by lasers. What is the wavelength in nanometers and the energy in joules of the following lasers? (a) CD laser, ν=3.85 ×
![SOLVED: 1. The laser in a CD player uses light at a wavelength of 7.80x102nm. Calculate the frequency and energy of this light. 2. Microwave radiation has a wavelength of 1.0cm. Calculate SOLVED: 1. The laser in a CD player uses light at a wavelength of 7.80x102nm. Calculate the frequency and energy of this light. 2. Microwave radiation has a wavelength of 1.0cm. Calculate](https://cdn.numerade.com/ask_previews/d8b52d86-f506-4218-a6fb-d12237f8c3a9_large.jpg)
SOLVED: 1. The laser in a CD player uses light at a wavelength of 7.80x102nm. Calculate the frequency and energy of this light. 2. Microwave radiation has a wavelength of 1.0cm. Calculate
![TIL that Blu-Ray discs are called blue and can hold more storage because the laser is blue, which has a shorter wavelength than red and hence can read more accurately, allowing for TIL that Blu-Ray discs are called blue and can hold more storage because the laser is blue, which has a shorter wavelength than red and hence can read more accurately, allowing for](https://external-preview.redd.it/RpwbVyTv2MJyUFVJp1e9P42vaH1ZlgsOK_hal2KFRq4.jpg?auto=webp&s=620a1db8273766d29876fc4a45d52a5d9b92e35c)