1.

A plot of kinetic energy of the emittedelectron against frequency of the incident radiation yields a straight line.t he slope of the straight line is:

Answer»

`0.66xx10^(-35)`
`0.66xx10^(-33)`
`0.33xx10^(-33)`
`3.33xx10^(-35)`

Solution :When kinetic ENERGY of photoelectron is plotted against frequency of incident radiation, we ET stragith LINE with slope equal to Planck's constant.
`THEREFORE` Slope `=6.6xx10^(-34)=0.66xx10^(-33)`


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