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| physical object > natural object > particle > boson > carrier boson > photon > X-ray > soft X-ray | 
| soft X-ray | ||||
| subject | fact | |||
| soft X-ray | is a kind of X-ray | ![]()  | 
| X-ray | has frequency 30 PHz to 3 EHz | ![]()  | 
| has wavelength 100 pm to 10 nm | ![]()  | |
| photon | has spin 1 | ![]()  | 
| has synonym electromagnetic radiation | ![]()  | |
| carries the force electromagnetism | ![]()  | |
| massless particle | has mass 0 | ![]()  | 
| neutral particle | is not accelerated by electric or magnetic fields | ![]()  | 
| has charge 0 | ![]()  | |
| wave | has propagation direction | ![]()  | 
| particle | obeys uncertainty principle | ![]()  | 
| boson | has quantum behavior Bose-Einstein statistics | ![]()  | 
| harmonic motion | has amplitude | ![]()  | 
| has period | ![]()  | |
| physical process | has domain physics | ![]()  | 
| physical object | has location or center of gravity | ![]()  | 
| has angular momentum | ![]()  | |
| has velocity | ![]()  | |
| has momentum | ![]()  | |
| has temperature | ![]()  | |
| has volume | ![]()  | |
| has extent | ![]()  | |
| has material | ![]()  | 
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