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If light is a form of wave, can we change its characteristics by altering its wavelength, magnitude,etc.? Can even a ray of light penetrate mirror? Is it just photons that make up light? How does light bend under gravitational force?

Answer»
  1. If light is a form of wave, can we change its characteristics by altering its wavelength, magnitude,etc.?
  2. Can even a ray of light penetrate mirror?
  3. Is it just photons that make up light?
  4. How does light bend under gravitational force?


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