| 31. | The oil droplets filter incident light before it reaches the visual pigment in outer segments of the photoreceptors.
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| 32. | The light detectors absorb incident light and produce a small amount of electricity that stimulates the retinal neurons.
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| 33. | It either absorbs and re-emits the incident light, or rotates its polarization by the Faraday or Voigt effect.
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| 34. | Higher efficiencies ( around 30 % ) can be obtained by using optics to concentrate the incident light.
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| 35. | An important comparison point is rather the output power per unit area generated with the same incident light.
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| 36. | The effect of incident light on the conductivity of the material depends on the energy of light and material.
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| 37. | The response of film when the incident light is near the white level of the film is more gradual.
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| 38. | Gratings which modulate the phase rather than the amplitude of the incident light are also produced, frequently using holography.
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| 39. | A polished finish gives the surface a high luster and strong reflection of incident light ( almost mirror-like ).
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| 40. | The power and direction of the incident light is determined by the mirrors state, which itself is controlled electrostatically.
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