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Electromagnetic radiation with high energies and a typcial wavelength of less than 10 picometers.

-2 votes

How can a gamma ray conserve its momentum while travelling from the center towards the sun's...

In addition to @ProRob's answer: Below the photosphere the sun consists of plasma. Plasma is opaque to any kind of photons. The gamma photons are converted into plasma waves which transport the energy …
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-1 votes

About the existence of anti-photon

Any photon is also an antiphoton.
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-1 votes

Wavelength and penetration by EM radiation

Gamma rays are far more penetrating than alpha and beta rays. However they do not penetrate very deeply in materials compared to optical rays. That is because they will inelastically scatter off elect …
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22 votes

Why does a mirror reflect visible light but not gamma rays?

Reflection is caused by electrons reacting to the electromagnetic field by oscillating at the same frequency. When they do this they emit radiation of the same frequency as the incoming light and this …
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2 votes

What's the difference between Hard X-rays and Gamma-rays?

Wikipedia is your friend. The convention is that gamma rays originate from the nucleus and x-rays are generated in other ways. https://en.wikipedia.org/wiki/Gamma_ray#Distinction_from_X-rays
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