1.

Threshold frequency of a metal is 6 x 10^14 Hz. Can radiations ofwavelength 6000 A emit energetic photoelectrons from it ? Explain.

Answer»

f=c/lamdaf=3*10^8/6000*10^-10f=1/2*10^15Hz5*10^14 Hz=fhence the radiation will emit photoelectrons.



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