Which sequence shows the different types of electromagnetic waves arranged in an increasing order of their frequency?
2 answers:
<span>The electromagnetic spectrum is a continuum of all electromagnetic waves arranged according to frequency and wavelength. The sun, earth, and other bodies radiate electromagnetic energy of varying wavelengths.</span>
<h2>Answer:</h2>
The correct answer is the option A which is radio waves, microwaves, visible light, x-rays.
Explanation:
- Electromagnetic spectrum is the graph describing the ranges of frequencies of different electromagnetic waves.
- As frequency and wavelength are inversely proportional.
- The waves with long wavelength have low frequency and waves with short wavelength have high frequency.
- Rdiowaves have long wave length and low frequency and microwaves have frequency more than radio waves and visible waves have high but x rays have of frequency of all given in list.
- Hence on the bases of frequency:
- Radio waves ≤ Micro waves ≤ Visible waves ≤ x-rays
- It can be seen in given electromagnetic spectrum.
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Answer:
Explanation:
Given that,
Initial volume,
The pressure changes from 73.2 kPa to 122.5 k.Pa.
We need to find the new volume occupied by the air. Let it is V₂. It can be calculated using Boyle's law such that,
So, the new volume is .
<u>Answer:</u> The vapor pressure of the liquid is 0.293 atm
<u>Explanation:</u>
To calculate the vapor pressure of the liquid, we use the Clausius-Clayperon equation, which is:
where,
= initial pressure which is the pressure at normal boiling point = 1 atm
= pressure of the liquid = ?
= Heat of vaporization = 28.9 kJ/mol = 28900 J/mol (Conversion factor: 1 kJ = 1000 J)
R = Gas constant = 8.314 J/mol K
= initial temperature = 341.88 K
= final temperature = 305.03 K
Putting values in above equation, we get:
Hence, the vapor pressure of the liquid is 0.293 atm