When the stable disks, formed due to global accretion, are disturbed, the disk deviates from its axisymmetric structure. In other words, spiral density waves are generated in the disk. These density waves lead to perturbations in the disk angular momentum structure [32, 33]. Consequently, the ...
Explain how unit cells can be described for polycrystal-line materials. During synthesis of Alum, explain how alum crystals are purified. How do enzymes work? Explain briefly. Describe how methane gas can be generated, and explain why it ...
How does the average speed of light in glass compare with its speed in a vacuum?Radio waves travel at the speed of light, which is 3.00 times 10^8 m/s. What is the wavelength for a FM station broadcasting at 105.9 MHz ?What is the difference between propagation speed and the ...
Text SolutionGenerated By DoubtnutGPT Step-by-Step Text Solution: 1. Definition of Modulation: Modulation is the process of converting data into radio waves by adding information to an electronic or optical carrier signal. 2. Understanding Carrier Signal: A carrier signal is characterized by a stea...
One of the key problems in the theory of the origin of cosmic rays, which consist of high-energy protons and atomic nuclei, is their acceleration mechanism. The issue was addressed by Vitaly Ginzburg and Sergei Syrovatsky in the 1960s when they suggested that CRs are generated during superno...
Not only that, it gives you a great insight into how a telephone carries people's voices from place to place. Normally,soundstravel through the air as invisible waves, transferringenergyfrom something that vibrates (like a drum skin or a guitar string moving back and forth) to our eardrums...
While a LISN is not always necessary, it is strongly suggested anytime an electronic equipment with a high radiofrequency radiation output is utilized near humans. Standing waves on the transmission line are caused by the proximity of many measurements equipment with widely varying impedances. Inter...
How earbuds work How bigger headphones work Who invented headphones? Buying headphones Find out more Headphones: miniature loudspeakers fixed to your ears Headphones (which are often called "cans" by DJs and people who work inradiobroadcasting) work in exactly the same way as speakers, so you mi...
electromagnetic waves (measured by so many hertz or pulses per second, which we are familiar with e.g. radio waves) exist normally in the physical world, but can only be measured up to levels determined by the sensitivity of the equipment being used as to how many cycles per second they ...
The microwaves are generated by a device called a magnetron, which is behind the perforated metal grid on the right hand side (just behind the lamp that illuminates the oven inside). If you peer through the grid, you might just be able to see the horizontal cooling fins on the magnetron ...