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Ionized stones are stones that have lost one or more electrons. Photons can ionize atoms. Are...

Ionized stones are stones that have lost one or more electrons. Photons can ionize atoms. Are ionized atoms easier to make with res light or blue light? Explain
Science   Advanced-Physics   
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Answer #1

It is easier to ionize a particle with blue light. Kinetic energy of an ejected particle is given by :

where h is the Plank's constant, v is the frequency and is the work function, i.e. the minimum energy required to ionize the stone i.e. make it lose an electron.

As all parameters are constant weather ionization will occur or not depends upon the frequency of the photon and as the frequency of blue light is greater than red light. Ionized stones are easier to make with blue light.

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