Скачать или смотреть PHY 101 GDB SOLUTION 100% CORRECT 2020

PHY 101 GDB SOLUTION 100% CORRECT 2020
assignment solution

solution

The electromagnetic spectrum consists of all sorts of radiation that travel at the speed of light and then spread out.
in order of wavelengths,
from longest to shortest the electromagnetic spectrum includes radio waves.


The radio waves have low energy,
longer wavelength and lower frequency can be considered as low-frequency light waves.

sound
occurs when a vibration is carried through a medium-solid, liquid or gas.
A vibrating body can generate sound waves.

we hear speech the eardrum,
ear bones and fluid in the cochlea all vibrate
and creat a nerve impulse which is recognized by the brain as sound however radio waves are diffrent from sound wave