Light of frequency 10^14 Hz falls on the metal surface having a threshold frequency of 10^13 Hz. The maximum kinetic energy of the photoelectron emitted is
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maximum K.E of the photoelectron emitted= hν-hν₀
= h(ν-ν₀)
=6.626x10⁻³⁴(10¹⁴-10¹³)
=6.626x10⁻³⁴(10¹³.10-10¹³)
=6.626x10⁻³⁴x10¹³(10-1)
=6.626x10⁻²¹x9
=59.634x10⁻²¹ J
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