Question

The correct order of energies of the given rays is
I. U.V II. Radio III Micro IV X-ray
A. IV > I > II > III B. IV > I > III > II C. I > IV > II > III D. III > IV > I > II

Answer 1

Answer:

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Answer 2

correct order of energies of the given rays is X-ray, UV, Micro, Radio (B) IV > I > III > II.These types include, in order of increasing frequency.

Explanation:  

1.Electromagnetic radiation, in classical physics, the flow of energy at the universal speed of light through free space or through a material medium in the form of the electric and magnetic fields that makeup electromagnetic waves such as radio waves, visible light, and gamma rays.

2.Electromagnetic radiation is classified into types according to the frequency of the wave. The order of energies is reverse to that of its wavelengths.

$Energy \alpha \frac{1}{wave length}$

3.They can travel through empty space. Waves other than electromagnetic waves have to travel through some substance. For example, sound waves will need either a solid, liquid or gas to pass through.

4.The speed of light which is 2.99792458 x 108 m/s is always constant. Wavelength is commonly characterized by the symbol ‘λ’. It is the measure between the distance of either troughs or crests.