Which properties of photons carry info on size,width,height?

In summary, the frequencies of photons reflected from an object carry information about its colors and the visible spectrum helps us visualize these colors. However, properties such as distance, speed, size, width, height, depth, plainness, and roughness of a surface cannot be explained in terms of single photons or EM waves. The ability to estimate these properties is the result of the interaction of many EM waves with the object and the optical system used to detect them. Understanding concepts in terms of EM waves rather than photons is recommended, and studying geometrical optics can provide more insight into how light is gathered and focused to create an image.
  • #1
Tareq Naushad
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I know when we see an object then the frequencies of photons reflected from the object carry the information about the colors. Frequencies of visible spectrum helps us to visualize colors. However which properties of photons help us to estimate distance,speed,size,width,height,depth, plainness or roughness of the surface etc. ?
 
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  • #2
Honestly the best thing you could do is to forget about photons for the time being and focus on classical EM waves. You need to understand concepts in terms of EM waves before you can understand them in terms of photons anyways.

Tareq Naushad said:
However which properties of photons help us to estimate distance,speed,size,width,height,depth, plainness or roughness of the surface etc. ?

None of these can be explained in terms of single photons or single EM waves. The ability to estimate distance, speed, size, etc is the result of the interaction of many EM waves with both the material/object in question and the optical system used to focus and detect the light. I'd start by looking into geometrical optics, which explains the various methods of how light is gathered and focused into an image and includes things like specular and diffuse reflection. That should provide you with enough information to answer most of these questions yourself. I don't mean to handwave you away, but what you're asking for is beyond my ability to explain in a forum thread.
 
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Related to Which properties of photons carry info on size,width,height?

1. What is the relationship between the properties of photons and an object's size, width, and height?

The properties of photons, specifically their wavelength and energy, can provide information about an object's size, width, and height. The shorter the wavelength of a photon, the higher its energy, and the more precise the information about the object's size and shape.

2. How do photons carry information about an object's size, width, and height?

Photons carry information about an object's size, width, and height through their interactions with the object's surface. When a photon reflects off an object, its wavelength and energy can change, providing information about the object's size and shape.

3. Can all types of photons provide information about an object's size, width, and height?

No, only certain types of photons, such as visible light, infrared, and radio waves, can provide information about an object's size, width, and height. Other types of photons, such as X-rays and gamma rays, are more useful for imaging the inside of an object.

4. How accurate is the information provided by photons about an object's size, width, and height?

The accuracy of the information provided by photons about an object's size, width, and height depends on the precision of the measuring equipment and the type of photons being used. Higher energy photons, such as X-rays, can provide more precise information than lower energy photons, such as visible light.

5. Are there any limitations to using photons to gather information about an object's size, width, and height?

Yes, there are limitations to using photons to gather information about an object's size, width, and height. These include the resolution of the imaging equipment, the type of photons being used, and the properties of the object itself, such as its reflectivity and transparency.

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