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As light from a star spreads out and weakens, do gaps form between the photons? Can a fire have a shadow? Can air make shadows? Can gold be created from other elements? Can light bend around corners? Can momentum be hidden to human eyes like how kinetic energy can be hidden as heat?

  • As light from a star spreads out and weakens, do gaps form between the photons?
  • Can a fire have a shadow?
  • Can air make shadows?
  • Can gold be created from other elements?
  • Can light bend around corners?
  • Can momentum be hidden to human eyes like how kinetic energy can be hidden as heat?

Grade:12th pass

1 Answers

Avishek Bhagat
askIITians Faculty 71 Points
3 years ago
Dear Student,
answers are

A-
the most accurate approach, gaps do not form between photons as light spreads out. Light is made up of tiny fundamental bits called photons. A photon is a quantum object. As such, a photon acts a little like a particle and a little like a wave, but is actually something more complex.
The answer depends on how you look at the light. However, in the most accurate approach, gaps do not form between photons as light spreads out. Light is made up of tiny fundamental bits called photons. A photon is a quantum object. As such, a photon acts a little like a particle and a little like a wave but is something more complex.

B-
Fires can have shadowsbecause they contain hot air and soot, and not because they contain light.

C-
air canindeedmake shadows. Ashadowoccurs when an object in a light beam prevents some of the light from continuing on in the forward direction.

D-
Yes,gold canbecreated from other elements. But the process requires nuclear reactions, and is very much expensive.

E-
Yes,light can bend around corners. ... The ability oflighttobend around cornersis also known as "diffraction".

F-
For instance, in an electromagnetic system,momentum canbe transferred to the electromagnetic field, which isinvisible to human eyesat most frequencies. Therefore,momentum can be "hidden" in the electromagnetic field.

askIITians Expert
Yuvraj Singh

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