Chemistry: Physical changes are often accompanied by changes in color or odor. select the best answer from the choices provided t f

Physical changes are often accompanied by changes

Ответ:

avagymnast421

14.01.2022

Answer : The correct option is, $\text{more than }1\times 10^{-1}\text{meters}$

Explanation :

Electromagnetic waves : It is defined as a wave where two vectors are vibrating mutually perpendicular to each other and in the direction of the wave. The two vectors are the electric field and the magnetic field.

The gamma-rays, x-rays, ultraviolet-rays, infrared-rays, microwaves and radio-waves are the electromagnetic waves.

The increasing order of electromagnetic waves in terms of wavelength will be,

$\text{gamma-rays}$

The wavelength range of radio waves are, $10^3\text{ to }10^{-2}meters$

The frequency range of radio waves are, $10^4\text{ to }10^8Hz$

Therefore, the wavelength of radio waves is, $\text{more than }1\times 10^{-1}\text{meters}$

The electromagnetic waves spectrum are shown below.

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Physical changes are often accompanied by changes in color or odor. select the best answer from the choices provided t f

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