During laser vision correction, a brief burst of 193 nmultraviolet light is projected onto the cornea of the patient. Itmakes a spot 1.00 mm in diameter and deposits 0.500 mJ of energy. Calculate the depth of the layer ablated, assumingthe corneal tissue has the same properties as water and isinitially at 34.0ºC . The tissue’s temperature is increased to100ºC and evaporated without further temperature increase.(b) Does your answer imply that the shape of the cornea canbe finely controlled?
Compton effect
The incoming photons' energy must be in the range of an X-ray frequency to generate the Compton effect. The electron does not lose enough energy that reduces the wavelength of scattered photons towards the visible spectrum. As a result, with visible lights, the Compton effect is missing.
Recoil Velocity
The amount of backward thrust or force experienced by a person when he/she shoots a gun in the forward direction is called recoil velocity. This phenomenon always follows the law of conservation of linear momentum.
During laser vision correction, a brief burst of 193 nm
ultraviolet light is projected onto the cornea of the patient. It
makes a spot 1.00 mm in diameter and deposits 0.500 mJ of energy. Calculate the depth of the layer ablated, assuming
the corneal tissue has the same properties as water and is
initially at 34.0ºC . The tissue’s temperature is increased to
100ºC and evaporated without further temperature increase.
(b) Does your answer imply that the shape of the cornea can
be finely controlled?
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